86891815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{7481}}^1$

素因数の和:7610

約数の個数: 16

約数和(自身を含む): 109895616

約数和(自身を除く): 23003801

約数列:

[1, 5, 23, 101, 115, 505, 2323, 7481, 11615, 37405, 172063, 755581, 860315, 3777905, 17378363, 86891815]

約数ペア:

[(1, 86891815), (5, 17378363), (23, 3777905), (101, 860315), (115, 755581), (505, 172063), (2323, 37405), (7481, 11615)]