81786484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{2617}}^1$

素因数の和:3235

約数の個数: 24

約数和(自身を含む): 154451528

約数和(自身を除く): 72665044

約数列:

[1, 2, 4, 13, 26, 52, 601, 1202, 2404, 2617, 5234, 7813, 10468, 15626, 31252, 34021, 68042, 136084, 1572817, 3145634, 6291268, 20446621, 40893242, 81786484]

約数ペア:

[(1, 81786484), (2, 40893242), (4, 20446621), (13, 6291268), (26, 3145634), (52, 1572817), (601, 136084), (1202, 68042), (2404, 34021), (2617, 31252), (5234, 15626), (7813, 10468)]