64343890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2861}}^1$

素因数の和:3054

約数の個数: 32

約数和(自身を含む): 125492976

約数和(自身を除く): 61149086

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 2861, 4498, 5722, 11245, 14305, 22490, 28610, 37193, 74386, 185965, 371930, 494953, 989906, 2474765, 4949530, 6434389, 12868778, 32171945, 64343890]

約数ペア:

[(1, 64343890), (2, 32171945), (5, 12868778), (10, 6434389), (13, 4949530), (26, 2474765), (65, 989906), (130, 494953), (173, 371930), (346, 185965), (865, 74386), (1730, 37193), (2249, 28610), (2861, 22490), (4498, 14305), (5722, 11245)]