259055615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7207}}^1$

素因数の和:7311

約数の個数: 32

約数和(自身を含む): 387502080

約数和(自身を除く): 128446465

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 5135, 7189, 7207, 35945, 36035, 50449, 93691, 252245, 468455, 569353, 655837, 2846765, 3279185, 3985471, 7401589, 19927355, 37007945, 51811123, 259055615]

約数ペア:

[(1, 259055615), (5, 51811123), (7, 37007945), (13, 19927355), (35, 7401589), (65, 3985471), (79, 3279185), (91, 2846765), (395, 655837), (455, 569353), (553, 468455), (1027, 252245), (2765, 93691), (5135, 50449), (7189, 36035), (7207, 35945)]