123856201

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 143337600

約数和(自身を除く): 19481399

約数列:

[1, 7, 157, 251, 449, 1099, 1757, 3143, 39407, 70493, 112699, 275849, 493451, 788893, 17693743, 123856201]

約数ペア:

[(1, 123856201), (7, 17693743), (157, 788893), (251, 493451), (449, 275849), (1099, 112699), (1757, 70493), (3143, 39407)]