389618033

素因数分解:

$7^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1\times {\mathrm{683}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 449141760

約数和(自身を除く): 59523727

約数列:

[1, 7, 227, 359, 683, 1589, 2513, 4781, 81493, 155041, 245197, 570451, 1085287, 1716379, 55659719, 389618033]

約数ペア:

[(1, 389618033), (7, 55659719), (227, 1716379), (359, 1085287), (683, 570451), (1589, 245197), (2513, 155041), (4781, 81493)]