2640688057

素因数分解:

$7^3\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 3141388800

約数和(自身を除く): 500700743

約数列:

[1, 7, 49, 73, 263, 343, 401, 511, 1841, 2807, 3577, 12887, 19199, 19649, 25039, 29273, 90209, 105463, 134393, 137543, 204911, 738241, 940751, 1434377, 5167687, 6585257, 7698799, 10040639, 36173809, 53891593, 377241151, 2640688057]

約数ペア:

[(1, 2640688057), (7, 377241151), (49, 53891593), (73, 36173809), (263, 10040639), (343, 7698799), (401, 6585257), (511, 5167687), (1841, 1434377), (2807, 940751), (3577, 738241), (12887, 204911), (19199, 137543), (19649, 134393), (25039, 105463), (29273, 90209)]