164018770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{381439}}^1$

素因数の和:381489

約数の個数: 16

約数和(自身を含む): 302100480

約数和(自身を除く): 138081710

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 381439, 762878, 1907195, 3814390, 16401877, 32803754, 82009385, 164018770]

約数ペア:

[(1, 164018770), (2, 82009385), (5, 32803754), (10, 16401877), (43, 3814390), (86, 1907195), (215, 762878), (430, 381439)]