666581072

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{4201}}^1$

素因数の和:4467

約数の個数: 40

約数和(自身を含む): 1325546112

約数和(自身を除く): 658965040

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 211, 376, 422, 752, 844, 1688, 3376, 4201, 8402, 9917, 16804, 19834, 33608, 39668, 67216, 79336, 158672, 197447, 394894, 789788, 886411, 1579576, 1772822, 3159152, 3545644, 7091288, 14182576, 41661317, 83322634, 166645268, 333290536, 666581072]

約数ペア:

[(1, 666581072), (2, 333290536), (4, 166645268), (8, 83322634), (16, 41661317), (47, 14182576), (94, 7091288), (188, 3545644), (211, 3159152), (376, 1772822), (422, 1579576), (752, 886411), (844, 789788), (1688, 394894), (3376, 197447), (4201, 158672), (8402, 79336), (9917, 67216), (16804, 39668), (19834, 33608)]