778726910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{5867}}^1$

素因数の和:6908

約数の個数: 32

約数和(自身を含む): 1511268192

約数和(自身を除く): 732541282

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1021, 2042, 5105, 5867, 10210, 11734, 13273, 26546, 29335, 58670, 66365, 76271, 132730, 152542, 381355, 762710, 5990207, 11980414, 29951035, 59902070, 77872691, 155745382, 389363455, 778726910]

約数ペア:

[(1, 778726910), (2, 389363455), (5, 155745382), (10, 77872691), (13, 59902070), (26, 29951035), (65, 11980414), (130, 5990207), (1021, 762710), (2042, 381355), (5105, 152542), (5867, 132730), (10210, 76271), (11734, 66365), (13273, 58670), (26546, 29335)]