51120142

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2293}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 78289632

約数和(自身を除く): 27169490

約数列:

[1, 2, 71, 142, 157, 314, 2293, 4586, 11147, 22294, 162803, 325606, 360001, 720002, 25560071, 51120142]

約数ペア:

[(1, 51120142), (2, 25560071), (71, 720002), (142, 360001), (157, 325606), (314, 162803), (2293, 22294), (4586, 11147)]