397744879

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{63629}}^1$

素因数の和:63702

約数の個数: 16

約数和(自身を含む): 488678400

約数和(自身を除く): 90933521

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 63629, 445403, 1208951, 2990563, 8462657, 20933941, 56820697, 397744879]

約数ペア:

[(1, 397744879), (7, 56820697), (19, 20933941), (47, 8462657), (133, 2990563), (329, 1208951), (893, 445403), (6251, 63629)]