28394345

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 40836096

約数和(自身を除く): 12441751

約数列:

[1, 5, 7, 35, 41, 47, 205, 235, 287, 329, 421, 1435, 1645, 1927, 2105, 2947, 9635, 13489, 14735, 17261, 19787, 67445, 86305, 98935, 120827, 138509, 604135, 692545, 811267, 4056335, 5678869, 28394345]

約数ペア:

[(1, 28394345), (5, 5678869), (7, 4056335), (35, 811267), (41, 692545), (47, 604135), (205, 138509), (235, 120827), (287, 98935), (329, 86305), (421, 67445), (1435, 19787), (1645, 17261), (1927, 14735), (2105, 13489), (2947, 9635)]