12881825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 17603040

約数和(自身を除く): 4721215

約数列:

[1, 5, 11, 25, 55, 139, 275, 337, 695, 1529, 1685, 3475, 3707, 7645, 8425, 18535, 38225, 46843, 92675, 234215, 515273, 1171075, 2576365, 12881825]

約数ペア:

[(1, 12881825), (5, 2576365), (11, 1171075), (25, 515273), (55, 234215), (139, 92675), (275, 46843), (337, 38225), (695, 18535), (1529, 8425), (1685, 7645), (3475, 3707)]