71759090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{42461}}^1$

素因数の和:42494

約数の個数: 24

約数和(自身を含む): 139869828

約数和(自身を除く): 68110738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 42461, 84922, 212305, 424610, 551993, 1103986, 2759965, 5519930, 7175909, 14351818, 35879545, 71759090]

約数ペア:

[(1, 71759090), (2, 35879545), (5, 14351818), (10, 7175909), (13, 5519930), (26, 2759965), (65, 1103986), (130, 551993), (169, 424610), (338, 212305), (845, 84922), (1690, 42461)]