641016

素因数分解:

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

素因数の和:348

約数の個数: 48

約数和(自身を含む): 1801800

約数和(自身を除く): 1160784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 307, 348, 522, 614, 696, 921, 1044, 1228, 1842, 2088, 2456, 2763, 3684, 5526, 7368, 8903, 11052, 17806, 22104, 26709, 35612, 53418, 71224, 80127, 106836, 160254, 213672, 320508, 641016]

約数ペア:

[(1, 641016), (2, 320508), (3, 213672), (4, 160254), (6, 106836), (8, 80127), (9, 71224), (12, 53418), (18, 35612), (24, 26709), (29, 22104), (36, 17806), (58, 11052), (72, 8903), (87, 7368), (116, 5526), (174, 3684), (232, 2763), (261, 2456), (307, 2088), (348, 1842), (522, 1228), (614, 1044), (696, 921)]