78984516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 221356800

約数和(自身を除く): 142372284

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 29, 34, 39, 51, 52, 58, 68, 78, 79, 87, 102, 116, 156, 158, 169, 174, 204, 221, 237, 316, 338, 348, 377, 442, 474, 493, 507, 663, 676, 754, 884, 948, 986, 1014, 1027, 1131, 1326, 1343, 1479, 1508, 1972, 2028, 2054, 2262, 2291, 2652, 2686, 2873, 2958, 3081, 4029, 4108, 4524, 4582, 4901, 5372, 5746, 5916, 6162, 6409, 6873, 8058, 8619, 9164, 9802, 11492, 12324, 12818, 13351, 13746, 14703, 16116, 17238, 17459, 19227, 19604, 25636, 26702, 27492, 29406, 29783, 34476, 34918, 38454, 38947, 40053, 52377, 53404, 58812, 59566, 69836, 76908, 77894, 80106, 83317, 89349, 104754, 116841, 119132, 155788, 160212, 166634, 178698, 209508, 226967, 233682, 249951, 333268, 357396, 387179, 453934, 467364, 499902, 506311, 680901, 774358, 907868, 999804, 1012622, 1161537, 1361802, 1518933, 1548716, 2025244, 2323074, 2723604, 3037866, 4646148, 6075732, 6582043, 13164086, 19746129, 26328172, 39492258, 78984516]

約数ペア:

[(1, 78984516), (2, 39492258), (3, 26328172), (4, 19746129), (6, 13164086), (12, 6582043), (13, 6075732), (17, 4646148), (26, 3037866), (29, 2723604), (34, 2323074), (39, 2025244), (51, 1548716), (52, 1518933), (58, 1361802), (68, 1161537), (78, 1012622), (79, 999804), (87, 907868), (102, 774358), (116, 680901), (156, 506311), (158, 499902), (169, 467364), (174, 453934), (204, 387179), (221, 357396), (237, 333268), (316, 249951), (338, 233682), (348, 226967), (377, 209508), (442, 178698), (474, 166634), (493, 160212), (507, 155788), (663, 119132), (676, 116841), (754, 104754), (884, 89349), (948, 83317), (986, 80106), (1014, 77894), (1027, 76908), (1131, 69836), (1326, 59566), (1343, 58812), (1479, 53404), (1508, 52377), (1972, 40053), (2028, 38947), (2054, 38454), (2262, 34918), (2291, 34476), (2652, 29783), (2686, 29406), (2873, 27492), (2958, 26702), (3081, 25636), (4029, 19604), (4108, 19227), (4524, 17459), (4582, 17238), (4901, 16116), (5372, 14703), (5746, 13746), (5916, 13351), (6162, 12818), (6409, 12324), (6873, 11492), (8058, 9802), (8619, 9164)]