1220234018

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1\times {\mathrm{9013}}^1$

素因数の和:9641

約数の個数: 16

約数和(自身を含む): 1847509440

約数和(自身を除く): 627275422

約数列:

[1, 2, 139, 278, 487, 974, 9013, 18026, 67693, 135386, 1252807, 2505614, 4389331, 8778662, 610117009, 1220234018]

約数ペア:

[(1, 1220234018), (2, 610117009), (139, 8778662), (278, 4389331), (487, 2505614), (974, 1252807), (9013, 135386), (18026, 67693)]