290465774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3257}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 479942496

約数和(自身を除く): 189476722

約数列:

[1, 2, 17, 34, 43, 61, 86, 122, 731, 1037, 1462, 2074, 2623, 3257, 5246, 6514, 44591, 55369, 89182, 110738, 140051, 198677, 280102, 397354, 2380867, 3377509, 4761734, 6755018, 8543111, 17086222, 145232887, 290465774]

約数ペア:

[(1, 290465774), (2, 145232887), (17, 17086222), (34, 8543111), (43, 6755018), (61, 4761734), (86, 3377509), (122, 2380867), (731, 397354), (1037, 280102), (1462, 198677), (2074, 140051), (2623, 110738), (3257, 89182), (5246, 55369), (6514, 44591)]