201620765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{55163}}^1$

素因数の和:55228

約数の個数: 16

約数和(自身を含む): 262139328

約数和(自身を除く): 60518563

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 55163, 275815, 937771, 2372009, 4688855, 11860045, 40324153, 201620765]

約数ペア:

[(1, 201620765), (5, 40324153), (17, 11860045), (43, 4688855), (85, 2372009), (215, 937771), (731, 275815), (3655, 55163)]