664339986

素因数分解:

$2^1\times 3^2\times {\mathrm{457}}^1\times {\mathrm{80761}}^1$

素因数の和:81226

約数の個数: 24

約数和(自身を含む): 1442570844

約数和(自身を除く): 778230858

約数列:

[1, 2, 3, 6, 9, 18, 457, 914, 1371, 2742, 4113, 8226, 80761, 161522, 242283, 484566, 726849, 1453698, 36907777, 73815554, 110723331, 221446662, 332169993, 664339986]

約数ペア:

[(1, 664339986), (2, 332169993), (3, 221446662), (6, 110723331), (9, 73815554), (18, 36907777), (457, 1453698), (914, 726849), (1371, 484566), (2742, 242283), (4113, 161522), (8226, 80761)]