25205968921

素因数分解:

$7^2\times {\mathrm{107}}^1\times {\mathrm{1907}}^1\times {\mathrm{2521}}^1$

素因数の和:4549

約数の個数: 24

約数和(自身を含む): 29622524256

約数和(自身を除く): 4416555335

約数列:

[1, 7, 49, 107, 749, 1907, 2521, 5243, 13349, 17647, 93443, 123529, 204049, 269747, 1428343, 1888229, 4807547, 9998401, 13217603, 33652829, 235569803, 514407529, 3600852703, 25205968921]

約数ペア:

[(1, 25205968921), (7, 3600852703), (49, 514407529), (107, 235569803), (749, 33652829), (1907, 13217603), (2521, 9998401), (5243, 4807547), (13349, 1888229), (17647, 1428343), (93443, 269747), (123529, 204049)]