65671870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1663}}^1$

素因数の和:2040

約数の個数: 32

約数和(自身を含む): 129392640

約数和(自身を除く): 63720770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 718, 1663, 1795, 3326, 3590, 3949, 7898, 8315, 16630, 18293, 19745, 36586, 39490, 91465, 182930, 597017, 1194034, 2985085, 5970170, 6567187, 13134374, 32835935, 65671870]

約数ペア:

[(1, 65671870), (2, 32835935), (5, 13134374), (10, 6567187), (11, 5970170), (22, 2985085), (55, 1194034), (110, 597017), (359, 182930), (718, 91465), (1663, 39490), (1795, 36586), (3326, 19745), (3590, 18293), (3949, 16630), (7898, 8315)]