28027872

素因数分解:

$2^5\times 3^2\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 80216136

約数和(自身を除く): 52188264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 307, 317, 614, 634, 921, 951, 1228, 1268, 1842, 1902, 2456, 2536, 2763, 2853, 3684, 3804, 4912, 5072, 5526, 5706, 7368, 7608, 9824, 10144, 11052, 11412, 14736, 15216, 22104, 22824, 29472, 30432, 44208, 45648, 88416, 91296, 97319, 194638, 291957, 389276, 583914, 778552, 875871, 1167828, 1557104, 1751742, 2335656, 3114208, 3503484, 4671312, 7006968, 9342624, 14013936, 28027872]

約数ペア:

[(1, 28027872), (2, 14013936), (3, 9342624), (4, 7006968), (6, 4671312), (8, 3503484), (9, 3114208), (12, 2335656), (16, 1751742), (18, 1557104), (24, 1167828), (32, 875871), (36, 778552), (48, 583914), (72, 389276), (96, 291957), (144, 194638), (288, 97319), (307, 91296), (317, 88416), (614, 45648), (634, 44208), (921, 30432), (951, 29472), (1228, 22824), (1268, 22104), (1842, 15216), (1902, 14736), (2456, 11412), (2536, 11052), (2763, 10144), (2853, 9824), (3684, 7608), (3804, 7368), (4912, 5706), (5072, 5526)]