12717509

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 15513120

約数和(自身を除く): 2795611

約数列:

[1, 7, 49, 53, 59, 83, 371, 413, 581, 2597, 2891, 3127, 4067, 4399, 4897, 21889, 30793, 34279, 153223, 215551, 239953, 259541, 1816787, 12717509]

約数ペア:

[(1, 12717509), (7, 1816787), (49, 259541), (53, 239953), (59, 215551), (83, 153223), (371, 34279), (413, 30793), (581, 21889), (2597, 4897), (2891, 4399), (3127, 4067)]