156720978

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{27817}}^1$

素因数の和:28138

約数の個数: 24

約数和(自身を含む): 340659228

約数和(自身を除く): 183938250

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 5634, 27817, 55634, 83451, 166902, 250353, 500706, 8706721, 17413442, 26120163, 52240326, 78360489, 156720978]

約数ペア:

[(1, 156720978), (2, 78360489), (3, 52240326), (6, 26120163), (9, 17413442), (18, 8706721), (313, 500706), (626, 250353), (939, 166902), (1878, 83451), (2817, 55634), (5634, 27817)]