205122005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{10331}}^1$

素因数の和:10385

約数の個数: 24

約数和(自身を含む): 283427424

約数和(自身を除く): 78305419

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 10331, 19855, 51655, 113641, 196289, 568205, 981445, 2159179, 3729491, 10795895, 18647455, 41024401, 205122005]

約数ペア:

[(1, 205122005), (5, 41024401), (11, 18647455), (19, 10795895), (55, 3729491), (95, 2159179), (209, 981445), (361, 568205), (1045, 196289), (1805, 113641), (3971, 51655), (10331, 19855)]