15985808

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{12647}}^1$

素因数の和:12734

約数の個数: 20

約数和(自身を含む): 31367040

約数和(自身を除く): 15381232

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 12647, 25294, 50588, 101176, 202352, 999113, 1998226, 3996452, 7992904, 15985808]

約数ペア:

[(1, 15985808), (2, 7992904), (4, 3996452), (8, 1998226), (16, 999113), (79, 202352), (158, 101176), (316, 50588), (632, 25294), (1264, 12647)]