51386995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30139}}^1$

素因数の和:30186

約数の個数: 16

約数和(自身を含む): 69442560

約数和(自身を除く): 18055565

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 30139, 150695, 331529, 934309, 1657645, 4671545, 10277399, 51386995]

約数ペア:

[(1, 51386995), (5, 10277399), (11, 4671545), (31, 1657645), (55, 934309), (155, 331529), (341, 150695), (1705, 30139)]