12825421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 15715584

約数和(自身を除く): 2890163

約数列:

[1, 7, 23, 37, 161, 259, 851, 2153, 5957, 15071, 49519, 79661, 346633, 557627, 1832203, 12825421]

約数ペア:

[(1, 12825421), (7, 1832203), (23, 557627), (37, 346633), (161, 79661), (259, 49519), (851, 15071), (2153, 5957)]