12720734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{16871}}^1$

素因数の和:16915

約数の個数: 16

約数和(自身を含む): 21258720

約数和(自身を除く): 8537986

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 16871, 33742, 219323, 438646, 489259, 978518, 6360367, 12720734]

約数ペア:

[(1, 12720734), (2, 6360367), (13, 978518), (26, 489259), (29, 438646), (58, 219323), (377, 33742), (754, 16871)]