520028789

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{2207}}^1$

素因数の和:3076

約数の個数: 16

約数和(自身を含む): 609831936

約数和(自身を除く): 89803147

約数列:

[1, 7, 41, 287, 821, 2207, 5747, 15449, 33661, 90487, 235627, 633409, 1811947, 12683629, 74289827, 520028789]

約数ペア:

[(1, 520028789), (7, 74289827), (41, 12683629), (287, 1811947), (821, 633409), (2207, 235627), (5747, 90487), (15449, 33661)]