25977497

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{3137}}^1$

素因数の和:3177

約数の個数: 18

約数和(自身を含む): 32732478

約数和(自身を除く): 6754981

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 3137, 8281, 21959, 40781, 153713, 285467, 530153, 1998269, 3711071, 25977497]

約数ペア:

[(1, 25977497), (7, 3711071), (13, 1998269), (49, 530153), (91, 285467), (169, 153713), (637, 40781), (1183, 21959), (3137, 8281)]