12531545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 17404800

約数和(自身を除く): 4873255

約数列:

[1, 5, 13, 19, 65, 73, 95, 139, 247, 365, 695, 949, 1235, 1387, 1807, 2641, 4745, 6935, 9035, 10147, 13205, 18031, 34333, 50735, 90155, 131911, 171665, 192793, 659555, 963965, 2506309, 12531545]

約数ペア:

[(1, 12531545), (5, 2506309), (13, 963965), (19, 659555), (65, 192793), (73, 171665), (95, 131911), (139, 90155), (247, 50735), (365, 34333), (695, 18031), (949, 13205), (1235, 10147), (1387, 9035), (1807, 6935), (2641, 4745)]