1640894618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{116359}}^1$

素因数の和:117013

約数の個数: 16

約数和(自身を含む): 2689312320

約数和(自身を除く): 1048417702

約数列:

[1, 2, 11, 22, 641, 1282, 7051, 14102, 116359, 232718, 1279949, 2559898, 74586119, 149172238, 820447309, 1640894618]

約数ペア:

[(1, 1640894618), (2, 820447309), (11, 149172238), (22, 74586119), (641, 2559898), (1282, 1279949), (7051, 232718), (14102, 116359)]