64639835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{3539}}^1$

素因数の和:3838

約数の個数: 16

約数和(自身を含む): 83855520

約数和(自身を除く): 19215685

約数列:

[1, 5, 13, 65, 281, 1405, 3539, 3653, 17695, 18265, 46007, 230035, 994459, 4972295, 12927967, 64639835]

約数ペア:

[(1, 64639835), (5, 12927967), (13, 4972295), (65, 994459), (281, 230035), (1405, 46007), (3539, 18265), (3653, 17695)]