12731305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 16070400

約数和(自身を除く): 3339095

約数列:

[1, 5, 23, 115, 149, 743, 745, 3427, 3715, 17089, 17135, 85445, 110707, 553535, 2546261, 12731305]

約数ペア:

[(1, 12731305), (5, 2546261), (23, 553535), (115, 110707), (149, 85445), (743, 17135), (745, 17089), (3427, 3715)]