2017390990

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{455393}}^1$

素因数の和:455843

約数の個数: 16

約数和(自身を含む): 3639508848

約数和(自身を除く): 1622117858

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 455393, 910786, 2276965, 4553930, 201739099, 403478198, 1008695495, 2017390990]

約数ペア:

[(1, 2017390990), (2, 1008695495), (5, 403478198), (10, 201739099), (443, 4553930), (886, 2276965), (2215, 910786), (4430, 455393)]