78649670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1801}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 154914336

約数和(自身を除く): 76264666

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1801, 1985, 3602, 3970, 4367, 8734, 9005, 18010, 19811, 21835, 39622, 43670, 99055, 198110, 714997, 1429994, 3574985, 7149970, 7864967, 15729934, 39324835, 78649670]

約数ペア:

[(1, 78649670), (2, 39324835), (5, 15729934), (10, 7864967), (11, 7149970), (22, 3574985), (55, 1429994), (110, 714997), (397, 198110), (794, 99055), (1801, 43670), (1985, 39622), (3602, 21835), (3970, 19811), (4367, 18010), (8734, 9005)]