128260051

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 142548864

約数和(自身を除く): 14288813

約数列:

[1, 19, 31, 73, 157, 361, 589, 1387, 2263, 2983, 4867, 11191, 11461, 26353, 42997, 56677, 92473, 217759, 355291, 816943, 1756987, 4137421, 6750529, 128260051]

約数ペア:

[(1, 128260051), (19, 6750529), (31, 4137421), (73, 1756987), (157, 816943), (361, 355291), (589, 217759), (1387, 92473), (2263, 56677), (2983, 42997), (4867, 26353), (11191, 11461)]