82564090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2971}}^1$

素因数の和:3382

約数の個数: 32

約数和(自身を含む): 170331264

約数和(自身を除く): 87767174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 2971, 3970, 5558, 5942, 13895, 14855, 20797, 27790, 29710, 41594, 103985, 207970, 1179487, 2358974, 5897435, 8256409, 11794870, 16512818, 41282045, 82564090]

約数ペア:

[(1, 82564090), (2, 41282045), (5, 16512818), (7, 11794870), (10, 8256409), (14, 5897435), (35, 2358974), (70, 1179487), (397, 207970), (794, 103985), (1985, 41594), (2779, 29710), (2971, 27790), (3970, 20797), (5558, 14855), (5942, 13895)]