216983916

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{677}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 570089520

約数和(自身を除く): 353105604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 307, 348, 522, 614, 677, 921, 1044, 1228, 1354, 1842, 2031, 2708, 2763, 3684, 4062, 5526, 6093, 8124, 8903, 11052, 12186, 17806, 19633, 24372, 26709, 35612, 39266, 53418, 58899, 78532, 80127, 106836, 117798, 160254, 176697, 207839, 235596, 320508, 353394, 415678, 623517, 706788, 831356, 1247034, 1870551, 2494068, 3741102, 6027331, 7482204, 12054662, 18081993, 24109324, 36163986, 54245979, 72327972, 108491958, 216983916]

約数ペア:

[(1, 216983916), (2, 108491958), (3, 72327972), (4, 54245979), (6, 36163986), (9, 24109324), (12, 18081993), (18, 12054662), (29, 7482204), (36, 6027331), (58, 3741102), (87, 2494068), (116, 1870551), (174, 1247034), (261, 831356), (307, 706788), (348, 623517), (522, 415678), (614, 353394), (677, 320508), (921, 235596), (1044, 207839), (1228, 176697), (1354, 160254), (1842, 117798), (2031, 106836), (2708, 80127), (2763, 78532), (3684, 58899), (4062, 53418), (5526, 39266), (6093, 35612), (8124, 26709), (8903, 24372), (11052, 19633), (12186, 17806)]