131428564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{2179}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 243915840

約数和(自身を除く): 112487276

約数列:

[1, 2, 4, 17, 34, 68, 887, 1774, 2179, 3548, 4358, 8716, 15079, 30158, 37043, 60316, 74086, 148172, 1932773, 3865546, 7731092, 32857141, 65714282, 131428564]

約数ペア:

[(1, 131428564), (2, 65714282), (4, 32857141), (17, 7731092), (34, 3865546), (68, 1932773), (887, 148172), (1774, 74086), (2179, 60316), (3548, 37043), (4358, 30158), (8716, 15079)]