161331268

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{32189}}^1$

素因数の和:32379

約数の個数: 24

約数和(自身を含む): 324475200

約数和(自身を除く): 163143932

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 32189, 64378, 128756, 225323, 450646, 901292, 5761831, 11523662, 23047324, 40332817, 80665634, 161331268]

約数ペア:

[(1, 161331268), (2, 80665634), (4, 40332817), (7, 23047324), (14, 11523662), (28, 5761831), (179, 901292), (358, 450646), (716, 225323), (1253, 128756), (2506, 64378), (5012, 32189)]