12969515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3350

約数の個数: 16

約数和(自身を含む): 17040576

約数和(自身を除く): 4071061

約数列:

[1, 5, 13, 61, 65, 305, 793, 3271, 3965, 16355, 42523, 199531, 212615, 997655, 2593903, 12969515]

約数ペア:

[(1, 12969515), (5, 2593903), (13, 997655), (61, 212615), (65, 199531), (305, 42523), (793, 16355), (3271, 3965)]