81789864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262147}}^1$

素因数の和:262169

約数の個数: 32

約数和(自身を含む): 220204320

約数和(自身を除く): 138414456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 262147, 524294, 786441, 1048588, 1572882, 2097176, 3145764, 3407911, 6291528, 6815822, 10223733, 13631644, 20447466, 27263288, 40894932, 81789864]

約数ペア:

[(1, 81789864), (2, 40894932), (3, 27263288), (4, 20447466), (6, 13631644), (8, 10223733), (12, 6815822), (13, 6291528), (24, 3407911), (26, 3145764), (39, 2097176), (52, 1572882), (78, 1048588), (104, 786441), (156, 524294), (312, 262147)]