81411286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{69821}}^1$

素因数の和:69887

約数の個数: 16

約数和(自身を含む): 135733968

約数和(自身を除く): 54322682

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 69821, 139642, 768031, 1536062, 3700513, 7401026, 40705643, 81411286]

約数ペア:

[(1, 81411286), (2, 40705643), (11, 7401026), (22, 3700513), (53, 1536062), (106, 768031), (583, 139642), (1166, 69821)]