1567285990

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{78877}}^1$

素因数の和:80871

約数の個数: 16

約数和(自身を含む): 2822570352

約数和(自身を除く): 1255284362

約数列:

[1, 2, 5, 10, 1987, 3974, 9935, 19870, 78877, 157754, 394385, 788770, 156728599, 313457198, 783642995, 1567285990]

約数ペア:

[(1, 1567285990), (2, 783642995), (5, 313457198), (10, 156728599), (1987, 788770), (3974, 394385), (9935, 157754), (19870, 78877)]