81809294

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157933}}^1$

素因数の和:157979

約数の個数: 16

約数和(自身を含む): 144035808

約数和(自身を除く): 62226514

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 157933, 315866, 1105531, 2211062, 5843521, 11687042, 40904647, 81809294]

約数ペア:

[(1, 81809294), (2, 40904647), (7, 11687042), (14, 5843521), (37, 2211062), (74, 1105531), (259, 315866), (518, 157933)]