172140565

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{4999}}^1$

素因数の和:5172

約数の個数: 16

約数和(自身を含む): 211680000

約数和(自身を除く): 39539435

約数列:

[1, 5, 71, 97, 355, 485, 4999, 6887, 24995, 34435, 354929, 484903, 1774645, 2424515, 34428113, 172140565]

約数ペア:

[(1, 172140565), (5, 34428113), (71, 2424515), (97, 1774645), (355, 484903), (485, 354929), (4999, 34435), (6887, 24995)]