49721690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{35771}}^1$

素因数の和:35917

約数の個数: 16

約数和(自身を含む): 90145440

約数和(自身を除く): 40423750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 35771, 71542, 178855, 357710, 4972169, 9944338, 24860845, 49721690]

約数ペア:

[(1, 49721690), (2, 24860845), (5, 9944338), (10, 4972169), (139, 357710), (278, 178855), (695, 71542), (1390, 35771)]