208985254

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{4391}}^1$

素因数の和:4895

約数の個数: 16

約数和(自身を含む): 320176800

約数和(自身を除く): 111191546

約数列:

[1, 2, 53, 106, 449, 898, 4391, 8782, 23797, 47594, 232723, 465446, 1971559, 3943118, 104492627, 208985254]

約数ペア:

[(1, 208985254), (2, 104492627), (53, 3943118), (106, 1971559), (449, 465446), (898, 232723), (4391, 47594), (8782, 23797)]