123658456

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{27751}}^1$

素因数の和:28314

約数の個数: 16

約数和(自身を含む): 232284240

約数和(自身を除く): 108625784

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 27751, 55502, 111004, 222008, 15457307, 30914614, 61829228, 123658456]

約数ペア:

[(1, 123658456), (2, 61829228), (4, 30914614), (8, 15457307), (557, 222008), (1114, 111004), (2228, 55502), (4456, 27751)]