12718727

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 14925312

約数和(自身を除く): 2206585

約数列:

[1, 7, 71, 157, 163, 497, 1099, 1141, 11147, 11573, 25591, 78029, 81011, 179137, 1816961, 12718727]

約数ペア:

[(1, 12718727), (7, 1816961), (71, 179137), (157, 81011), (163, 78029), (497, 25591), (1099, 11573), (1141, 11147)]