215951425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 301266432

約数和(自身を除く): 85315007

約数列:

[1, 5, 17, 25, 31, 37, 85, 155, 185, 425, 443, 527, 629, 775, 925, 1147, 2215, 2635, 3145, 5735, 7531, 11075, 13175, 13733, 15725, 16391, 19499, 28675, 37655, 68665, 81955, 97495, 188275, 233461, 278647, 343325, 409775, 487475, 508121, 1167305, 1393235, 2540605, 5836525, 6966175, 8638057, 12703025, 43190285, 215951425]

約数ペア:

[(1, 215951425), (5, 43190285), (17, 12703025), (25, 8638057), (31, 6966175), (37, 5836525), (85, 2540605), (155, 1393235), (185, 1167305), (425, 508121), (443, 487475), (527, 409775), (629, 343325), (775, 278647), (925, 233461), (1147, 188275), (2215, 97495), (2635, 81955), (3145, 68665), (5735, 37655), (7531, 28675), (11075, 19499), (13175, 16391), (13733, 15725)]