25305371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 7810789

約数列:

[1, 7, 13, 29, 43, 91, 203, 223, 301, 377, 559, 1247, 1561, 2639, 2899, 3913, 6467, 8729, 9589, 16211, 20293, 45269, 67123, 84071, 113477, 124657, 278081, 588497, 872599, 1946567, 3615053, 25305371]

約数ペア:

[(1, 25305371), (7, 3615053), (13, 1946567), (29, 872599), (43, 588497), (91, 278081), (203, 124657), (223, 113477), (301, 84071), (377, 67123), (559, 45269), (1247, 20293), (1561, 16211), (2639, 9589), (2899, 8729), (3913, 6467)]