1261348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 2439360

約数和(自身を除く): 1178012

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 263, 436, 526, 1052, 1199, 2398, 2893, 4796, 5786, 11572, 28667, 57334, 114668, 315337, 630674, 1261348]

約数ペア:

[(1, 1261348), (2, 630674), (4, 315337), (11, 114668), (22, 57334), (44, 28667), (109, 11572), (218, 5786), (263, 4796), (436, 2893), (526, 2398), (1052, 1199)]