2001288575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{50891}}^1$

素因数の和:50936

約数の個数: 36

約数和(自身を含む): 2937588024

約数和(自身を除く): 936299449

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 605, 715, 1573, 3025, 3575, 7865, 39325, 50891, 254455, 559801, 661583, 1272275, 2799005, 3307915, 6157811, 7277413, 13995025, 16539575, 30789055, 36387065, 80051543, 153945275, 181935325, 400257715, 2001288575]

約数ペア:

[(1, 2001288575), (5, 400257715), (11, 181935325), (13, 153945275), (25, 80051543), (55, 36387065), (65, 30789055), (121, 16539575), (143, 13995025), (275, 7277413), (325, 6157811), (605, 3307915), (715, 2799005), (1573, 1272275), (3025, 661583), (3575, 559801), (7865, 254455), (39325, 50891)]