81745066

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22619}}^1$

素因数の和:22773

約数の個数: 16

約数和(自身を含む): 133005600

約数和(自身を除く): 51260534

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 22619, 45238, 294047, 588094, 3144041, 6288082, 40872533, 81745066]

約数ペア:

[(1, 81745066), (2, 40872533), (13, 6288082), (26, 3144041), (139, 588094), (278, 294047), (1807, 45238), (3614, 22619)]