638124

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 1526448

約数和(自身を除く): 888324

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1297, 2594, 3891, 5188, 7782, 15564, 53177, 106354, 159531, 212708, 319062, 638124]

約数ペア:

[(1, 638124), (2, 319062), (3, 212708), (4, 159531), (6, 106354), (12, 53177), (41, 15564), (82, 7782), (123, 5188), (164, 3891), (246, 2594), (492, 1297)]