211831308

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 615024480

約数和(自身を除く): 403193172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 157, 186, 234, 279, 314, 351, 372, 403, 468, 471, 558, 628, 702, 806, 837, 942, 961, 1116, 1209, 1404, 1413, 1612, 1674, 1884, 1922, 2041, 2418, 2826, 2883, 3348, 3627, 3844, 4082, 4239, 4836, 4867, 5652, 5766, 6123, 7254, 8164, 8478, 8649, 9734, 10881, 11532, 12246, 12493, 14508, 14601, 16956, 17298, 18369, 19468, 21762, 24492, 24986, 25947, 29202, 34596, 36738, 37479, 43524, 43803, 49972, 51894, 55107, 58404, 63271, 73476, 74958, 87606, 103788, 110214, 112437, 126542, 131409, 149916, 150877, 175212, 189813, 220428, 224874, 253084, 262818, 301754, 337311, 379626, 449748, 452631, 525636, 569439, 603508, 674622, 759252, 905262, 1138878, 1349244, 1357893, 1708317, 1810524, 1961401, 2277756, 2715786, 3416634, 3922802, 4073679, 5431572, 5884203, 6833268, 7845604, 8147358, 11768406, 16294716, 17652609, 23536812, 35305218, 52957827, 70610436, 105915654, 211831308]

約数ペア:

[(1, 211831308), (2, 105915654), (3, 70610436), (4, 52957827), (6, 35305218), (9, 23536812), (12, 17652609), (13, 16294716), (18, 11768406), (26, 8147358), (27, 7845604), (31, 6833268), (36, 5884203), (39, 5431572), (52, 4073679), (54, 3922802), (62, 3416634), (78, 2715786), (93, 2277756), (108, 1961401), (117, 1810524), (124, 1708317), (156, 1357893), (157, 1349244), (186, 1138878), (234, 905262), (279, 759252), (314, 674622), (351, 603508), (372, 569439), (403, 525636), (468, 452631), (471, 449748), (558, 379626), (628, 337311), (702, 301754), (806, 262818), (837, 253084), (942, 224874), (961, 220428), (1116, 189813), (1209, 175212), (1404, 150877), (1413, 149916), (1612, 131409), (1674, 126542), (1884, 112437), (1922, 110214), (2041, 103788), (2418, 87606), (2826, 74958), (2883, 73476), (3348, 63271), (3627, 58404), (3844, 55107), (4082, 51894), (4239, 49972), (4836, 43803), (4867, 43524), (5652, 37479), (5766, 36738), (6123, 34596), (7254, 29202), (8164, 25947), (8478, 24986), (8649, 24492), (9734, 21762), (10881, 19468), (11532, 18369), (12246, 17298), (12493, 16956), (14508, 14601)]