638859384

素因数分解:

$2^3\times 3^2\times {\mathrm{8873047}}^1$

素因数の和:8873059

約数の個数: 24

約数和(自身を含む): 1730244360

約数和(自身を除く): 1091384976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8873047, 17746094, 26619141, 35492188, 53238282, 70984376, 79857423, 106476564, 159714846, 212953128, 319429692, 638859384]

約数ペア:

[(1, 638859384), (2, 319429692), (3, 212953128), (4, 159714846), (6, 106476564), (8, 79857423), (9, 70984376), (12, 53238282), (18, 35492188), (24, 26619141), (36, 17746094), (72, 8873047)]