65890090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2371}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 135944064

約数和(自身を除く): 70053974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2371, 2779, 3970, 4742, 5558, 11855, 13895, 16597, 23710, 27790, 33194, 82985, 165970, 941287, 1882574, 4706435, 6589009, 9412870, 13178018, 32945045, 65890090]

約数ペア:

[(1, 65890090), (2, 32945045), (5, 13178018), (7, 9412870), (10, 6589009), (14, 4706435), (35, 1882574), (70, 941287), (397, 165970), (794, 82985), (1985, 33194), (2371, 27790), (2779, 23710), (3970, 16597), (4742, 13895), (5558, 11855)]