71971630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 131997600

約数和(自身を除く): 60025970

約数列:

[1, 2, 5, 10, 89, 178, 193, 386, 419, 445, 838, 890, 965, 1930, 2095, 4190, 17177, 34354, 37291, 74582, 80867, 85885, 161734, 171770, 186455, 372910, 404335, 808670, 7197163, 14394326, 35985815, 71971630]

約数ペア:

[(1, 71971630), (2, 35985815), (5, 14394326), (10, 7197163), (89, 808670), (178, 404335), (193, 372910), (386, 186455), (419, 171770), (445, 161734), (838, 85885), (890, 80867), (965, 74582), (1930, 37291), (2095, 34354), (4190, 17177)]