71864555

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 33889045

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 1007, 1855, 2039, 5035, 7049, 10195, 14273, 35245, 38741, 71365, 108067, 193705, 271187, 540335, 756469, 1355935, 2053273, 3782345, 10266365, 14372911, 71864555]

約数ペア:

[(1, 71864555), (5, 14372911), (7, 10266365), (19, 3782345), (35, 2053273), (53, 1355935), (95, 756469), (133, 540335), (265, 271187), (371, 193705), (665, 108067), (1007, 71365), (1855, 38741), (2039, 35245), (5035, 14273), (7049, 10195)]