639508734

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{27953}}^1$

素因数の和:28033

約数の個数: 48

約数和(自身を含む): 1465236864

約数和(自身を除く): 825728130

約数列:

[1, 2, 3, 6, 9, 18, 31, 41, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 1271, 2542, 3813, 7626, 11439, 22878, 27953, 55906, 83859, 167718, 251577, 503154, 866543, 1146073, 1733086, 2292146, 2599629, 3438219, 5199258, 6876438, 7798887, 10314657, 15597774, 20629314, 35528263, 71056526, 106584789, 213169578, 319754367, 639508734]

約数ペア:

[(1, 639508734), (2, 319754367), (3, 213169578), (6, 106584789), (9, 71056526), (18, 35528263), (31, 20629314), (41, 15597774), (62, 10314657), (82, 7798887), (93, 6876438), (123, 5199258), (186, 3438219), (246, 2599629), (279, 2292146), (369, 1733086), (558, 1146073), (738, 866543), (1271, 503154), (2542, 251577), (3813, 167718), (7626, 83859), (11439, 55906), (22878, 27953)]