155640916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{21391}}^1$

素因数の和:21519

約数の個数: 24

約数和(自身を含む): 291102336

約数和(自身を除く): 135461420

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3638, 7276, 21391, 42782, 85564, 363647, 727294, 1454588, 2288837, 4577674, 9155348, 38910229, 77820458, 155640916]

約数ペア:

[(1, 155640916), (2, 77820458), (4, 38910229), (17, 9155348), (34, 4577674), (68, 2288837), (107, 1454588), (214, 727294), (428, 363647), (1819, 85564), (3638, 42782), (7276, 21391)]