25290507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 12725493

約数列:

[1, 3, 11, 33, 79, 89, 109, 237, 267, 327, 869, 979, 1199, 2607, 2937, 3597, 7031, 8611, 9701, 21093, 25833, 29103, 77341, 94721, 106711, 232023, 284163, 320133, 766379, 2299137, 8430169, 25290507]

約数ペア:

[(1, 25290507), (3, 8430169), (11, 2299137), (33, 766379), (79, 320133), (89, 284163), (109, 232023), (237, 106711), (267, 94721), (327, 77341), (869, 29103), (979, 25833), (1199, 21093), (2607, 9701), (2937, 8611), (3597, 7031)]