17156789275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 22111584768

約数和(自身を除く): 4954795493

約数列:

[1, 5, 25, 41, 107, 205, 311, 503, 535, 1025, 1555, 2515, 2675, 4387, 7775, 12575, 12751, 20623, 21935, 33277, 53821, 63755, 103115, 109675, 156433, 166385, 269105, 318775, 515575, 782165, 831925, 1345525, 1364357, 2206661, 3910825, 6413753, 6821785, 11033305, 16738331, 32068765, 34108925, 55166525, 83691655, 160343825, 418458275, 686271571, 3431357855, 17156789275]

約数ペア:

[(1, 17156789275), (5, 3431357855), (25, 686271571), (41, 418458275), (107, 160343825), (205, 83691655), (311, 55166525), (503, 34108925), (535, 32068765), (1025, 16738331), (1555, 11033305), (2515, 6821785), (2675, 6413753), (4387, 3910825), (7775, 2206661), (12575, 1364357), (12751, 1345525), (20623, 831925), (21935, 782165), (33277, 515575), (53821, 318775), (63755, 269105), (103115, 166385), (109675, 156433)]