66661904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{134399}}^1$

素因数の和:134438

約数の個数: 20

約数和(自身を含む): 133324800

約数和(自身を除く): 66662896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 134399, 268798, 537596, 1075192, 2150384, 4166369, 8332738, 16665476, 33330952, 66661904]

約数ペア:

[(1, 66661904), (2, 33330952), (4, 16665476), (8, 8332738), (16, 4166369), (31, 2150384), (62, 1075192), (124, 537596), (248, 268798), (496, 134399)]