12887245

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2287}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 18779904

約数和(自身を除く): 5892659

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 2287, 5635, 11435, 16009, 52601, 80045, 112063, 263005, 368207, 560315, 1841035, 2577449, 12887245]

約数ペア:

[(1, 12887245), (5, 2577449), (7, 1841035), (23, 560315), (35, 368207), (49, 263005), (115, 112063), (161, 80045), (245, 52601), (805, 16009), (1127, 11435), (2287, 5635)]