81838036

素因数分解:

$2^2\times 7^2\times {\mathrm{417541}}^1$

素因数の和:417559

約数の個数: 18

約数和(自身を含む): 166599258

約数和(自身を除く): 84761222

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 417541, 835082, 1670164, 2922787, 5845574, 11691148, 20459509, 40919018, 81838036]

約数ペア:

[(1, 81838036), (2, 40919018), (4, 20459509), (7, 11691148), (14, 5845574), (28, 2922787), (49, 1670164), (98, 835082), (196, 417541)]