64115390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{443}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 118825056

約数和(自身を除く): 54709666

約数列:

[1, 2, 5, 10, 41, 82, 205, 353, 410, 443, 706, 886, 1765, 2215, 3530, 4430, 14473, 18163, 28946, 36326, 72365, 90815, 144730, 156379, 181630, 312758, 781895, 1563790, 6411539, 12823078, 32057695, 64115390]

約数ペア:

[(1, 64115390), (2, 32057695), (5, 12823078), (10, 6411539), (41, 1563790), (82, 781895), (205, 312758), (353, 181630), (410, 156379), (443, 144730), (706, 90815), (886, 72365), (1765, 36326), (2215, 28946), (3530, 18163), (4430, 14473)]