81180016

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{33601}}^1$

素因数の和:33760

約数の個数: 20

約数和(自身を含む): 158332624

約数和(自身を除く): 77152608

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 33601, 67202, 134404, 268808, 537616, 5073751, 10147502, 20295004, 40590008, 81180016]

約数ペア:

[(1, 81180016), (2, 40590008), (4, 20295004), (8, 10147502), (16, 5073751), (151, 537616), (302, 268808), (604, 134404), (1208, 67202), (2416, 33601)]