819900398

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1\times {\mathrm{5813}}^1$

素因数の和:6571

約数の個数: 16

約数和(自身を含む): 1243265760

約数和(自身を除く): 423365362

約数列:

[1, 2, 109, 218, 647, 1294, 5813, 11626, 70523, 141046, 633617, 1267234, 3761011, 7522022, 409950199, 819900398]

約数ペア:

[(1, 819900398), (2, 409950199), (109, 7522022), (218, 3761011), (647, 1267234), (1294, 633617), (5813, 141046), (11626, 70523)]