81356516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{8017}}^1$

素因数の和:8123

約数の個数: 24

約数和(自身を含む): 148172640

約数和(自身を除く): 66816124

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2537, 5074, 8017, 10148, 16034, 32068, 344731, 473003, 689462, 946006, 1378924, 1892012, 20339129, 40678258, 81356516]

約数ペア:

[(1, 81356516), (2, 40678258), (4, 20339129), (43, 1892012), (59, 1378924), (86, 946006), (118, 689462), (172, 473003), (236, 344731), (2537, 32068), (5074, 16034), (8017, 10148)]