81444385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{4243}}^1$

素因数の和:4608

約数の個数: 16

約数和(自身を含む): 106948800

約数和(自身を除く): 25504415

約数列:

[1, 5, 11, 55, 349, 1745, 3839, 4243, 19195, 21215, 46673, 233365, 1480807, 7404035, 16288877, 81444385]

約数ペア:

[(1, 81444385), (5, 16288877), (11, 7404035), (55, 1480807), (349, 233365), (1745, 46673), (3839, 21215), (4243, 19195)]