158978846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{19661}}^1$

素因数の和:19987

約数の個数: 16

約数和(自身を含む): 257650848

約数和(自身を除く): 98672002

約数列:

[1, 2, 13, 26, 311, 622, 4043, 8086, 19661, 39322, 255593, 511186, 6114571, 12229142, 79489423, 158978846]

約数ペア:

[(1, 158978846), (2, 79489423), (13, 12229142), (26, 6114571), (311, 511186), (622, 255593), (4043, 39322), (8086, 19661)]