172638142

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1720

約数の個数: 24

約数和(自身を含む): 275225256

約数和(自身を除く): 102587114

約数列:

[1, 2, 19, 38, 157, 314, 361, 722, 1523, 2983, 3046, 5966, 28937, 56677, 57874, 113354, 239111, 478222, 549803, 1099606, 4543109, 9086218, 86319071, 172638142]

約数ペア:

[(1, 172638142), (2, 86319071), (19, 9086218), (38, 4543109), (157, 1099606), (314, 549803), (361, 478222), (722, 239111), (1523, 113354), (2983, 57874), (3046, 56677), (5966, 28937)]