12991226

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 19972008

約数和(自身を除く): 6980782

約数列:

[1, 2, 73, 101, 146, 202, 881, 1762, 7373, 14746, 64313, 88981, 128626, 177962, 6495613, 12991226]

約数ペア:

[(1, 12991226), (2, 6495613), (73, 177962), (101, 128626), (146, 88981), (202, 64313), (881, 14746), (1762, 7373)]