66207785

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 94617600

約数和(自身を除く): 28409815

約数列:

[1, 5, 7, 31, 35, 139, 155, 217, 439, 695, 973, 1085, 2195, 3073, 4309, 4865, 13609, 15365, 21545, 30163, 61021, 68045, 95263, 150815, 305105, 427147, 476315, 1891651, 2135735, 9458255, 13241557, 66207785]

約数ペア:

[(1, 66207785), (5, 13241557), (7, 9458255), (31, 2135735), (35, 1891651), (139, 476315), (155, 427147), (217, 305105), (439, 150815), (695, 95263), (973, 68045), (1085, 61021), (2195, 30163), (3073, 21545), (4309, 15365), (4865, 13609)]