400864470812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2503}}^1\times {\mathrm{24251}}^1$

素因数の和:26898

約数の個数: 48

約数和(自身を含む): 761759588352

約数和(自身を除く): 360895117540

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 2503, 3302, 5006, 6604, 10012, 24251, 32539, 48502, 65078, 97004, 130156, 315263, 317881, 630526, 635762, 1261052, 1271524, 3079877, 4132453, 6159754, 8264906, 12319508, 16529812, 40038401, 60700253, 80076802, 121400506, 160153604, 242801012, 789103289, 1578206578, 3156413156, 7708932131, 15417864262, 30835728524, 100216117703, 200432235406, 400864470812]

約数ペア:

[(1, 400864470812), (2, 200432235406), (4, 100216117703), (13, 30835728524), (26, 15417864262), (52, 7708932131), (127, 3156413156), (254, 1578206578), (508, 789103289), (1651, 242801012), (2503, 160153604), (3302, 121400506), (5006, 80076802), (6604, 60700253), (10012, 40038401), (24251, 16529812), (32539, 12319508), (48502, 8264906), (65078, 6159754), (97004, 4132453), (130156, 3079877), (315263, 1271524), (317881, 1261052), (630526, 635762)]