31391996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2417}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 58496256

約数和(自身を除く): 27104260

約数列:

[1, 2, 4, 17, 34, 68, 191, 382, 764, 2417, 3247, 4834, 6494, 9668, 12988, 41089, 82178, 164356, 461647, 923294, 1846588, 7847999, 15695998, 31391996]

約数ペア:

[(1, 31391996), (2, 15695998), (4, 7847999), (17, 1846588), (34, 923294), (68, 461647), (191, 164356), (382, 82178), (764, 41089), (2417, 12988), (3247, 9668), (4834, 6494)]