420647588

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{2113}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 743510712

約数和(自身を除く): 322863124

約数列:

[1, 2, 4, 157, 314, 317, 628, 634, 1268, 2113, 4226, 8452, 49769, 99538, 199076, 331741, 663482, 669821, 1326964, 1339642, 2679284, 105161897, 210323794, 420647588]

約数ペア:

[(1, 420647588), (2, 210323794), (4, 105161897), (157, 2679284), (314, 1339642), (317, 1326964), (628, 669821), (634, 663482), (1268, 331741), (2113, 199076), (4226, 99538), (8452, 49769)]