209062007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{16657}}^1$

素因数の和:16838

約数の個数: 16

約数和(自身を含む): 262263552

約数和(自身を除く): 53201545

約数列:

[1, 7, 11, 77, 163, 1141, 1793, 12551, 16657, 116599, 183227, 1282589, 2715091, 19005637, 29866001, 209062007]

約数ペア:

[(1, 209062007), (7, 29866001), (11, 19005637), (77, 2715091), (163, 1282589), (1141, 183227), (1793, 116599), (12551, 16657)]