780968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 1500660

約数和(自身を除く): 719692

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 2381, 4762, 9524, 19048, 97621, 195242, 390484, 780968]

約数ペア:

[(1, 780968), (2, 390484), (4, 195242), (8, 97621), (41, 19048), (82, 9524), (164, 4762), (328, 2381)]