289263611

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{2687}}^1$

素因数の和:2740

約数の個数: 24

約数和(自身を含む): 364654080

約数和(自身を除く): 75390469

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2197, 2687, 8281, 15379, 18809, 34931, 107653, 131663, 244517, 454103, 1711619, 3178721, 5903339, 22251047, 41323373, 289263611]

約数ペア:

[(1, 289263611), (7, 41323373), (13, 22251047), (49, 5903339), (91, 3178721), (169, 1711619), (637, 454103), (1183, 244517), (2197, 131663), (2687, 107653), (8281, 34931), (15379, 18809)]