990147385

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{10259}}^1$

素因数の和:10560

約数の個数: 16

約数和(自身を含む): 1206576000

約数和(自身を除く): 216428615

約数列:

[1, 5, 97, 199, 485, 995, 10259, 19303, 51295, 96515, 995123, 2041541, 4975615, 10207705, 198029477, 990147385]

約数ペア:

[(1, 990147385), (5, 198029477), (97, 10207705), (199, 4975615), (485, 2041541), (995, 995123), (10259, 96515), (19303, 51295)]