15661233025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{2957}}^1$

素因数の和:3202

約数の個数: 48

約数和(自身を含む): 20739886848

約数和(自身を除く): 5078653823

約数列:

[1, 5, 23, 25, 61, 115, 151, 305, 575, 755, 1403, 1525, 2957, 3473, 3775, 7015, 9211, 14785, 17365, 35075, 46055, 68011, 73925, 86825, 180377, 211853, 230275, 340055, 446507, 901885, 1059265, 1700275, 2232535, 4148671, 4509425, 5296325, 10269661, 11162675, 20743355, 27236927, 51348305, 103716775, 136184635, 256741525, 626449321, 680923175, 3132246605, 15661233025]

約数ペア:

[(1, 15661233025), (5, 3132246605), (23, 680923175), (25, 626449321), (61, 256741525), (115, 136184635), (151, 103716775), (305, 51348305), (575, 27236927), (755, 20743355), (1403, 11162675), (1525, 10269661), (2957, 5296325), (3473, 4509425), (3775, 4148671), (7015, 2232535), (9211, 1700275), (14785, 1059265), (17365, 901885), (35075, 446507), (46055, 340055), (68011, 230275), (73925, 211853), (86825, 180377)]