81306686

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{1931}}^1$

素因数の和:2539

約数の個数: 16

約数和(自身を含む): 125541360

約数和(自身を除く): 44234674

約数列:

[1, 2, 37, 74, 569, 1138, 1931, 3862, 21053, 42106, 71447, 142894, 1098739, 2197478, 40653343, 81306686]

約数ペア:

[(1, 81306686), (2, 40653343), (37, 2197478), (74, 1098739), (569, 142894), (1138, 71447), (1931, 42106), (3862, 21053)]