389931516

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 216

約数和(自身を含む): 1195015920

約数和(自身を除く): 805084404

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 31, 34, 36, 39, 51, 52, 54, 62, 68, 78, 93, 102, 108, 117, 124, 153, 156, 186, 204, 221, 234, 279, 289, 306, 351, 372, 403, 442, 459, 468, 527, 558, 578, 612, 663, 702, 806, 837, 867, 884, 918, 961, 1054, 1116, 1156, 1209, 1326, 1404, 1581, 1612, 1674, 1734, 1836, 1922, 1989, 2108, 2418, 2601, 2652, 2883, 3162, 3348, 3468, 3627, 3757, 3844, 3978, 4743, 4836, 5202, 5766, 5967, 6324, 6851, 7254, 7514, 7803, 7956, 8649, 8959, 9486, 10404, 10881, 11271, 11532, 11934, 12493, 13702, 14229, 14508, 15028, 15606, 16337, 17298, 17918, 18972, 20553, 21762, 22542, 23868, 24986, 25947, 26877, 27404, 28458, 31212, 32674, 33813, 34596, 35836, 37479, 41106, 43524, 45084, 49011, 49972, 51894, 53754, 56916, 61659, 65348, 67626, 74958, 80631, 82212, 98022, 101439, 103788, 107508, 112437, 116467, 123318, 135252, 147033, 149916, 161262, 184977, 196044, 202878, 212381, 224874, 232934, 241893, 246636, 277729, 294066, 322524, 337311, 349401, 369954, 405756, 424762, 441099, 449748, 465868, 483786, 555458, 588132, 637143, 674622, 698802, 739908, 833187, 849524, 882198, 967572, 1048203, 1110916, 1274286, 1349244, 1397604, 1666374, 1764396, 1911429, 2096406, 2499561, 2548572, 3144609, 3332748, 3610477, 3822858, 4192812, 4999122, 5734287, 6289218, 7220954, 7498683, 7645716, 9998244, 10831431, 11468574, 12578436, 14441908, 14997366, 21662862, 22937148, 29994732, 32494293, 43325724, 64988586, 97482879, 129977172, 194965758, 389931516]

約数ペア:

[(1, 389931516), (2, 194965758), (3, 129977172), (4, 97482879), (6, 64988586), (9, 43325724), (12, 32494293), (13, 29994732), (17, 22937148), (18, 21662862), (26, 14997366), (27, 14441908), (31, 12578436), (34, 11468574), (36, 10831431), (39, 9998244), (51, 7645716), (52, 7498683), (54, 7220954), (62, 6289218), (68, 5734287), (78, 4999122), (93, 4192812), (102, 3822858), (108, 3610477), (117, 3332748), (124, 3144609), (153, 2548572), (156, 2499561), (186, 2096406), (204, 1911429), (221, 1764396), (234, 1666374), (279, 1397604), (289, 1349244), (306, 1274286), (351, 1110916), (372, 1048203), (403, 967572), (442, 882198), (459, 849524), (468, 833187), (527, 739908), (558, 698802), (578, 674622), (612, 637143), (663, 588132), (702, 555458), (806, 483786), (837, 465868), (867, 449748), (884, 441099), (918, 424762), (961, 405756), (1054, 369954), (1116, 349401), (1156, 337311), (1209, 322524), (1326, 294066), (1404, 277729), (1581, 246636), (1612, 241893), (1674, 232934), (1734, 224874), (1836, 212381), (1922, 202878), (1989, 196044), (2108, 184977), (2418, 161262), (2601, 149916), (2652, 147033), (2883, 135252), (3162, 123318), (3348, 116467), (3468, 112437), (3627, 107508), (3757, 103788), (3844, 101439), (3978, 98022), (4743, 82212), (4836, 80631), (5202, 74958), (5766, 67626), (5967, 65348), (6324, 61659), (6851, 56916), (7254, 53754), (7514, 51894), (7803, 49972), (7956, 49011), (8649, 45084), (8959, 43524), (9486, 41106), (10404, 37479), (10881, 35836), (11271, 34596), (11532, 33813), (11934, 32674), (12493, 31212), (13702, 28458), (14229, 27404), (14508, 26877), (15028, 25947), (15606, 24986), (16337, 23868), (17298, 22542), (17918, 21762), (18972, 20553)]