399143998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{248533}}^1$

素因数の和:248619

約数の個数: 16

約数和(自身を含む): 662094576

約数和(自身を除く): 262950578

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 248533, 497066, 2733863, 5467726, 18142909, 36285818, 199571999, 399143998]

約数ペア:

[(1, 399143998), (2, 199571999), (11, 36285818), (22, 18142909), (73, 5467726), (146, 2733863), (803, 497066), (1606, 248533)]