398439769

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{3001}}^1$

素因数の和:4480

約数の個数: 16

約数和(自身を含む): 490887040

約数和(自身を除く): 92447271

約数列:

[1, 7, 13, 91, 1459, 3001, 10213, 18967, 21007, 39013, 132769, 273091, 4378459, 30649213, 56919967, 398439769]

約数ペア:

[(1, 398439769), (7, 56919967), (13, 30649213), (91, 4378459), (1459, 273091), (3001, 132769), (10213, 39013), (18967, 21007)]