168720784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{620297}}^1$

素因数の和:620322

約数の個数: 20

約数和(自身を含む): 346126284

約数和(自身を除く): 177405500

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 620297, 1240594, 2481188, 4962376, 9924752, 10545049, 21090098, 42180196, 84360392, 168720784]

約数ペア:

[(1, 168720784), (2, 84360392), (4, 42180196), (8, 21090098), (16, 10545049), (17, 9924752), (34, 4962376), (68, 2481188), (136, 1240594), (272, 620297)]