320468708

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{128599}}^1$

素因数の和:128699

約数の個数: 24

約数和(自身を含む): 648144000

約数和(自身を除く): 327675292

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 128599, 257198, 514396, 900193, 1800386, 3600772, 11445311, 22890622, 45781244, 80117177, 160234354, 320468708]

約数ペア:

[(1, 320468708), (2, 160234354), (4, 80117177), (7, 45781244), (14, 22890622), (28, 11445311), (89, 3600772), (178, 1800386), (356, 900193), (623, 514396), (1246, 257198), (2492, 128599)]