489648770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{289733}}^1$

素因数の和:289766

約数の個数: 24

約数和(自身を含む): 954383796

約数和(自身を除く): 464735026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 289733, 579466, 1448665, 2897330, 3766529, 7533058, 18832645, 37665290, 48964877, 97929754, 244824385, 489648770]

約数ペア:

[(1, 489648770), (2, 244824385), (5, 97929754), (10, 48964877), (13, 37665290), (26, 18832645), (65, 7533058), (130, 3766529), (169, 2897330), (338, 1448665), (845, 579466), (1690, 289733)]