31915016

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 71537280

約数和(自身を除く): 39622264

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 73, 74, 146, 148, 211, 259, 292, 296, 422, 511, 518, 584, 844, 1022, 1036, 1477, 1688, 2044, 2072, 2701, 2954, 4088, 5402, 5908, 7807, 10804, 11816, 15403, 15614, 18907, 21608, 30806, 31228, 37814, 54649, 61612, 62456, 75628, 107821, 109298, 123224, 151256, 215642, 218596, 431284, 437192, 569911, 862568, 1139822, 2279644, 3989377, 4559288, 7978754, 15957508, 31915016]

約数ペア:

[(1, 31915016), (2, 15957508), (4, 7978754), (7, 4559288), (8, 3989377), (14, 2279644), (28, 1139822), (37, 862568), (56, 569911), (73, 437192), (74, 431284), (146, 218596), (148, 215642), (211, 151256), (259, 123224), (292, 109298), (296, 107821), (422, 75628), (511, 62456), (518, 61612), (584, 54649), (844, 37814), (1022, 31228), (1036, 30806), (1477, 21608), (1688, 18907), (2044, 15614), (2072, 15403), (2701, 11816), (2954, 10804), (4088, 7807), (5402, 5908)]