189899978

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1\times {\mathrm{853}}^1$

素因数の和:1721

約数の個数: 16

約数和(自身を含む): 287405160

約数和(自身を除く): 97505182

約数列:

[1, 2, 157, 314, 709, 853, 1418, 1706, 111313, 133921, 222626, 267842, 604777, 1209554, 94949989, 189899978]

約数ペア:

[(1, 189899978), (2, 94949989), (157, 1209554), (314, 604777), (709, 267842), (853, 222626), (1418, 133921), (1706, 111313)]