128529268

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 266936320

約数和(自身を除く): 138407052

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 97, 148, 194, 259, 388, 518, 679, 1036, 1279, 1358, 2558, 2716, 3589, 5116, 7178, 8953, 14356, 17906, 25123, 35812, 47323, 50246, 94646, 100492, 124063, 189292, 248126, 331261, 496252, 662522, 868441, 1325044, 1736882, 3473764, 4590331, 9180662, 18361324, 32132317, 64264634, 128529268]

約数ペア:

[(1, 128529268), (2, 64264634), (4, 32132317), (7, 18361324), (14, 9180662), (28, 4590331), (37, 3473764), (74, 1736882), (97, 1325044), (148, 868441), (194, 662522), (259, 496252), (388, 331261), (518, 248126), (679, 189292), (1036, 124063), (1279, 100492), (1358, 94646), (2558, 50246), (2716, 47323), (3589, 35812), (5116, 25123), (7178, 17906), (8953, 14356)]