201864575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 280270008

約数和(自身を除く): 78405433

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 397, 473, 1075, 1849, 1985, 2365, 4367, 9245, 9925, 11825, 17071, 20339, 21835, 46225, 85355, 101695, 109175, 187781, 426775, 508475, 734053, 938905, 3670265, 4694525, 8074583, 18351325, 40372915, 201864575]

約数ペア:

[(1, 201864575), (5, 40372915), (11, 18351325), (25, 8074583), (43, 4694525), (55, 3670265), (215, 938905), (275, 734053), (397, 508475), (473, 426775), (1075, 187781), (1849, 109175), (1985, 101695), (2365, 85355), (4367, 46225), (9245, 21835), (9925, 20339), (11825, 17071)]