161818288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12379}}^1$

素因数の和:12449

約数の個数: 40

約数和(自身を含む): 337726400

約数和(自身を除く): 175908112

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 12379, 13072, 24758, 49516, 99032, 198064, 235201, 470402, 532297, 940804, 1064594, 1881608, 2129188, 3763216, 4258376, 8516752, 10113643, 20227286, 40454572, 80909144, 161818288]

約数ペア:

[(1, 161818288), (2, 80909144), (4, 40454572), (8, 20227286), (16, 10113643), (19, 8516752), (38, 4258376), (43, 3763216), (76, 2129188), (86, 1881608), (152, 1064594), (172, 940804), (304, 532297), (344, 470402), (688, 235201), (817, 198064), (1634, 99032), (3268, 49516), (6536, 24758), (12379, 13072)]