25553437

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 34030080

約数和(自身を除く): 8476643

約数列:

[1, 7, 13, 23, 29, 91, 161, 203, 299, 377, 421, 667, 2093, 2639, 2947, 4669, 5473, 8671, 9683, 12209, 38311, 60697, 67781, 85463, 125879, 158717, 280807, 881153, 1111019, 1965649, 3650491, 25553437]

約数ペア:

[(1, 25553437), (7, 3650491), (13, 1965649), (23, 1111019), (29, 881153), (91, 280807), (161, 158717), (203, 125879), (299, 85463), (377, 67781), (421, 60697), (667, 38311), (2093, 12209), (2639, 9683), (2947, 8671), (4669, 5473)]