1397178385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{30983}}^1$

素因数の和:31328

約数の個数: 16

約数和(自身を含む): 1740061440

約数和(自身を除く): 342883055

約数列:

[1, 5, 29, 145, 311, 1555, 9019, 30983, 45095, 154915, 898507, 4492535, 9635713, 48178565, 279435677, 1397178385]

約数ペア:

[(1, 1397178385), (5, 279435677), (29, 48178565), (145, 9635713), (311, 4492535), (1555, 898507), (9019, 154915), (30983, 45095)]