222720916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{39857}}^1$

素因数の和:39999

約数の個数: 24

約数和(自身を含む): 428553216

約数和(自身を除く): 205832300

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 39857, 79714, 159428, 438427, 876854, 1753708, 5061839, 10123678, 20247356, 55680229, 111360458, 222720916]

約数ペア:

[(1, 222720916), (2, 111360458), (4, 55680229), (11, 20247356), (22, 10123678), (44, 5061839), (127, 1753708), (254, 876854), (508, 438427), (1397, 159428), (2794, 79714), (5588, 39857)]