396913236488

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{77160427}}^1$

素因数の和:77161076

約数の個数: 16

約数和(自身を含む): 745369734480

約数和(自身を除く): 348456497992

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5144, 77160427, 154320854, 308641708, 617283416, 49614154561, 99228309122, 198456618244, 396913236488]

約数ペア:

[(1, 396913236488), (2, 198456618244), (4, 99228309122), (8, 49614154561), (643, 617283416), (1286, 308641708), (2572, 154320854), (5144, 77160427)]