257225402

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 480168000

約数和(自身を除く): 222942598

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 103, 119, 206, 238, 721, 833, 1442, 1499, 1666, 1751, 2998, 3502, 5047, 10094, 10493, 12257, 20986, 24514, 25483, 50966, 73451, 85799, 146902, 154397, 171598, 178381, 308794, 356762, 1080779, 1248667, 2161558, 2497334, 2624749, 5249498, 7565453, 15130906, 18373243, 36746486, 128612701, 257225402]

約数ペア:

[(1, 257225402), (2, 128612701), (7, 36746486), (14, 18373243), (17, 15130906), (34, 7565453), (49, 5249498), (98, 2624749), (103, 2497334), (119, 2161558), (206, 1248667), (238, 1080779), (721, 356762), (833, 308794), (1442, 178381), (1499, 171598), (1666, 154397), (1751, 146902), (2998, 85799), (3502, 73451), (5047, 50966), (10094, 25483), (10493, 24514), (12257, 20986)]