81943012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{6221}}^1$

素因数の和:6351

約数の個数: 24

約数和(自身を含む): 148954680

約数和(自身を除く): 67011668

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 3293, 6221, 6586, 12442, 13172, 24884, 230177, 460354, 553669, 920708, 1107338, 2214676, 20485753, 40971506, 81943012]

約数ペア:

[(1, 81943012), (2, 40971506), (4, 20485753), (37, 2214676), (74, 1107338), (89, 920708), (148, 553669), (178, 460354), (356, 230177), (3293, 24884), (6221, 13172), (6586, 12442)]