1285687732

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 2593704960

約数和(自身を除く): 1308017228

約数列:

[1, 2, 4, 7, 14, 28, 257, 373, 479, 514, 746, 958, 1028, 1492, 1799, 1916, 2611, 3353, 3598, 5222, 6706, 7196, 10444, 13412, 95861, 123103, 178667, 191722, 246206, 357334, 383444, 492412, 671027, 714668, 861721, 1250669, 1342054, 1723442, 2501338, 2684108, 3446884, 5002676, 45917419, 91834838, 183669676, 321421933, 642843866, 1285687732]

約数ペア:

[(1, 1285687732), (2, 642843866), (4, 321421933), (7, 183669676), (14, 91834838), (28, 45917419), (257, 5002676), (373, 3446884), (479, 2684108), (514, 2501338), (746, 1723442), (958, 1342054), (1028, 1250669), (1492, 861721), (1799, 714668), (1916, 671027), (2611, 492412), (3353, 383444), (3598, 357334), (5222, 246206), (6706, 191722), (7196, 178667), (10444, 123103), (13412, 95861)]