153942425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 236984832

約数和(自身を除く): 83042407

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 157, 175, 325, 431, 455, 785, 1099, 2041, 2155, 2275, 3017, 3925, 5495, 5603, 10205, 10775, 14287, 15085, 27475, 28015, 39221, 51025, 67667, 71435, 75425, 140075, 196105, 338335, 357175, 473669, 879671, 980525, 1691675, 2368345, 4398355, 6157697, 11841725, 21991775, 30788485, 153942425]

約数ペア:

[(1, 153942425), (5, 30788485), (7, 21991775), (13, 11841725), (25, 6157697), (35, 4398355), (65, 2368345), (91, 1691675), (157, 980525), (175, 879671), (325, 473669), (431, 357175), (455, 338335), (785, 196105), (1099, 140075), (2041, 75425), (2155, 71435), (2275, 67667), (3017, 51025), (3925, 39221), (5495, 28015), (5603, 27475), (10205, 15085), (10775, 14287)]