320440666

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{42943}}^1$

素因数の和:43006

約数の個数: 32

約数和(自身を含む): 606025728

約数和(自身を除く): 285585062

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 42943, 85886, 300601, 558259, 601202, 1116518, 1760663, 3521326, 3907813, 7815626, 12324641, 22888619, 24649282, 45777238, 160220333, 320440666]

約数ペア:

[(1, 320440666), (2, 160220333), (7, 45777238), (13, 24649282), (14, 22888619), (26, 12324641), (41, 7815626), (82, 3907813), (91, 3521326), (182, 1760663), (287, 1116518), (533, 601202), (574, 558259), (1066, 300601), (3731, 85886), (7462, 42943)]