66943210

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{15901}}^1$

素因数の和:16329

約数の個数: 16

約数和(自身を含む): 120791592

約数和(自身を除く): 53848382

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 15901, 31802, 79505, 159010, 6694321, 13388642, 33471605, 66943210]

約数ペア:

[(1, 66943210), (2, 33471605), (5, 13388642), (10, 6694321), (421, 159010), (842, 79505), (2105, 31802), (4210, 15901)]