90207628

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1839

約数の個数: 48

約数和(自身を含む): 189179200

約数和(自身を除く): 98971572

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1777, 1813, 3554, 3626, 7108, 7252, 12439, 12691, 24878, 25382, 49756, 50764, 65749, 87073, 131498, 174146, 262996, 348292, 460243, 609511, 920486, 1219022, 1840972, 2438044, 3221701, 6443402, 12886804, 22551907, 45103814, 90207628]

約数ペア:

[(1, 90207628), (2, 45103814), (4, 22551907), (7, 12886804), (14, 6443402), (28, 3221701), (37, 2438044), (49, 1840972), (74, 1219022), (98, 920486), (148, 609511), (196, 460243), (259, 348292), (343, 262996), (518, 174146), (686, 131498), (1036, 87073), (1372, 65749), (1777, 50764), (1813, 49756), (3554, 25382), (3626, 24878), (7108, 12691), (7252, 12439)]