381488770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{225733}}^1$

素因数の和:225766

約数の個数: 24

約数和(自身を含む): 743567796

約数和(自身を除く): 362079026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 225733, 451466, 1128665, 2257330, 2934529, 5869058, 14672645, 29345290, 38148877, 76297754, 190744385, 381488770]

約数ペア:

[(1, 381488770), (2, 190744385), (5, 76297754), (10, 38148877), (13, 29345290), (26, 14672645), (65, 5869058), (130, 2934529), (169, 2257330), (338, 1128665), (845, 451466), (1690, 225733)]