881156

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 1626240

約数和(自身を除く): 745084

約数列:

[1, 2, 4, 43, 47, 86, 94, 109, 172, 188, 218, 436, 2021, 4042, 4687, 5123, 8084, 9374, 10246, 18748, 20492, 220289, 440578, 881156]

約数ペア:

[(1, 881156), (2, 440578), (4, 220289), (43, 20492), (47, 18748), (86, 10246), (94, 9374), (109, 8084), (172, 5123), (188, 4687), (218, 4042), (436, 2021)]