28491678

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 65445120

約数和(自身を除く): 36953442

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 227, 342, 367, 454, 681, 734, 1101, 1362, 2043, 2202, 3303, 4086, 4313, 6606, 6973, 8626, 12939, 13946, 20919, 25878, 38817, 41838, 62757, 77634, 83309, 125514, 166618, 249927, 499854, 749781, 1499562, 1582871, 3165742, 4748613, 9497226, 14245839, 28491678]

約数ペア:

[(1, 28491678), (2, 14245839), (3, 9497226), (6, 4748613), (9, 3165742), (18, 1582871), (19, 1499562), (38, 749781), (57, 499854), (114, 249927), (171, 166618), (227, 125514), (342, 83309), (367, 77634), (454, 62757), (681, 41838), (734, 38817), (1101, 25878), (1362, 20919), (2043, 13946), (2202, 12939), (3303, 8626), (4086, 6973), (4313, 6606)]