19968156775

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{14449}}^1$

素因数の和:14668

約数の個数: 48

約数和(自身を含む): 29027160000

約数和(自身を除く): 9059003225

約数列:

[1, 5, 7, 25, 35, 53, 149, 175, 265, 371, 745, 1043, 1325, 1855, 3725, 5215, 7897, 9275, 14449, 26075, 39485, 55279, 72245, 101143, 197425, 276395, 361225, 505715, 765797, 1381975, 2152901, 2528575, 3828985, 5360579, 10764505, 15070307, 19144925, 26802895, 53822525, 75351535, 114103753, 134014475, 376757675, 570518765, 798726271, 2852593825, 3993631355, 19968156775]

約数ペア:

[(1, 19968156775), (5, 3993631355), (7, 2852593825), (25, 798726271), (35, 570518765), (53, 376757675), (149, 134014475), (175, 114103753), (265, 75351535), (371, 53822525), (745, 26802895), (1043, 19144925), (1325, 15070307), (1855, 10764505), (3725, 5360579), (5215, 3828985), (7897, 2528575), (9275, 2152901), (14449, 1381975), (26075, 765797), (39485, 505715), (55279, 361225), (72245, 276395), (101143, 197425)]