690201538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{31121}}^1$

素因数の和:31989

約数の個数: 16

約数和(自身を含む): 1116283896

約数和(自身を除く): 426082358

約数列:

[1, 2, 13, 26, 853, 1706, 11089, 22178, 31121, 62242, 404573, 809146, 26546213, 53092426, 345100769, 690201538]

約数ペア:

[(1, 690201538), (2, 345100769), (13, 53092426), (26, 26546213), (853, 809146), (1706, 404573), (11089, 62242), (22178, 31121)]