128180816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{471253}}^1$

素因数の和:471278

約数の個数: 20

約数和(自身を含む): 262959732

約数和(自身を除く): 134778916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 471253, 942506, 1885012, 3770024, 7540048, 8011301, 16022602, 32045204, 64090408, 128180816]

約数ペア:

[(1, 128180816), (2, 64090408), (4, 32045204), (8, 16022602), (16, 8011301), (17, 7540048), (34, 3770024), (68, 1885012), (136, 942506), (272, 471253)]