81256315

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{14243}}^1$

素因数の和:14418

約数の個数: 16

約数和(自身を含む): 112128768

約数和(自身を除く): 30872453

約数列:

[1, 5, 7, 35, 163, 815, 1141, 5705, 14243, 71215, 99701, 498505, 2321609, 11608045, 16251263, 81256315]

約数ペア:

[(1, 81256315), (5, 16251263), (7, 11608045), (35, 2321609), (163, 498505), (815, 99701), (1141, 71215), (5705, 14243)]