1279879938

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{52709}}^1$

素因数の和:52807

約数の個数: 48

約数和(自身を含む): 2960193600

約数和(自身を除く): 1680313662

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1349, 2698, 4047, 8094, 12141, 24282, 52709, 105418, 158127, 316254, 474381, 948762, 1001471, 2002942, 3004413, 3742339, 6008826, 7484678, 9013239, 11227017, 18026478, 22454034, 33681051, 67362102, 71104441, 142208882, 213313323, 426626646, 639939969, 1279879938]

約数ペア:

[(1, 1279879938), (2, 639939969), (3, 426626646), (6, 213313323), (9, 142208882), (18, 71104441), (19, 67362102), (38, 33681051), (57, 22454034), (71, 18026478), (114, 11227017), (142, 9013239), (171, 7484678), (213, 6008826), (342, 3742339), (426, 3004413), (639, 2002942), (1278, 1001471), (1349, 948762), (2698, 474381), (4047, 316254), (8094, 158127), (12141, 105418), (24282, 52709)]