81777983

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 95387136

約数和(自身を除く): 13609153

約数列:

[1, 7, 101, 103, 707, 721, 1123, 7861, 10403, 72821, 113423, 115669, 793961, 809683, 11682569, 81777983]

約数ペア:

[(1, 81777983), (7, 11682569), (101, 809683), (103, 793961), (707, 115669), (721, 113423), (1123, 72821), (7861, 10403)]