25207091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 8124109

約数列:

[1, 7, 13, 19, 61, 91, 133, 239, 247, 427, 793, 1159, 1673, 1729, 3107, 4541, 5551, 8113, 14579, 15067, 21749, 31787, 59033, 102053, 105469, 189527, 277001, 413231, 1326689, 1939007, 3601013, 25207091]

約数ペア:

[(1, 25207091), (7, 3601013), (13, 1939007), (19, 1326689), (61, 413231), (91, 277001), (133, 189527), (239, 105469), (247, 102053), (427, 59033), (793, 31787), (1159, 21749), (1673, 15067), (1729, 14579), (3107, 8113), (4541, 5551)]