25497409

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 6942911

約数列:

[1, 7, 23, 29, 43, 127, 161, 203, 301, 667, 889, 989, 1247, 2921, 3683, 4669, 5461, 6923, 8729, 20447, 25781, 28681, 38227, 84709, 125603, 158369, 200767, 592963, 879221, 1108583, 3642487, 25497409]

約数ペア:

[(1, 25497409), (7, 3642487), (23, 1108583), (29, 879221), (43, 592963), (127, 200767), (161, 158369), (203, 125603), (301, 84709), (667, 38227), (889, 28681), (989, 25781), (1247, 20447), (2921, 8729), (3683, 6923), (4669, 5461)]