31531642

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 19789958

約数列:

[1, 2, 29, 43, 47, 58, 86, 94, 269, 538, 1247, 1363, 2021, 2494, 2726, 4042, 7801, 11567, 12643, 15602, 23134, 25286, 58609, 117218, 335443, 366647, 543649, 670886, 733294, 1087298, 15765821, 31531642]

約数ペア:

[(1, 31531642), (2, 15765821), (29, 1087298), (43, 733294), (47, 670886), (58, 543649), (86, 366647), (94, 335443), (269, 117218), (538, 58609), (1247, 25286), (1363, 23134), (2021, 15602), (2494, 12643), (2726, 11567), (4042, 7801)]