217508473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{2999}}^1$

素因数の和:3816

約数の個数: 16

約数和(自身を含む): 268128000

約数和(自身を除く): 50619527

約数列:

[1, 7, 13, 91, 797, 2999, 5579, 10361, 20993, 38987, 72527, 272909, 2390203, 16731421, 31072639, 217508473]

約数ペア:

[(1, 217508473), (7, 31072639), (13, 16731421), (91, 2390203), (797, 272909), (2999, 72527), (5579, 38987), (10361, 20993)]