28069488

素因数分解:

$2^4\times 3^2\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:902

約数の個数: 60

約数和(自身を含む): 78913848

約数和(自身を除く): 50844360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 397, 491, 794, 982, 1191, 1473, 1588, 1964, 2382, 2946, 3176, 3573, 3928, 4419, 4764, 5892, 6352, 7146, 7856, 8838, 9528, 11784, 14292, 17676, 19056, 23568, 28584, 35352, 57168, 70704, 194927, 389854, 584781, 779708, 1169562, 1559416, 1754343, 2339124, 3118832, 3508686, 4678248, 7017372, 9356496, 14034744, 28069488]

約数ペア:

[(1, 28069488), (2, 14034744), (3, 9356496), (4, 7017372), (6, 4678248), (8, 3508686), (9, 3118832), (12, 2339124), (16, 1754343), (18, 1559416), (24, 1169562), (36, 779708), (48, 584781), (72, 389854), (144, 194927), (397, 70704), (491, 57168), (794, 35352), (982, 28584), (1191, 23568), (1473, 19056), (1588, 17676), (1964, 14292), (2382, 11784), (2946, 9528), (3176, 8838), (3573, 7856), (3928, 7146), (4419, 6352), (4764, 5892)]