30891916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{5051}}^1$

素因数の和:5205

約数の個数: 24

約数和(自身を含む): 59411520

約数和(自身を除く): 28519604

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 5051, 6116, 10102, 20204, 55561, 111122, 222244, 702089, 1404178, 2808356, 7722979, 15445958, 30891916]

約数ペア:

[(1, 30891916), (2, 15445958), (4, 7722979), (11, 2808356), (22, 1404178), (44, 702089), (139, 222244), (278, 111122), (556, 55561), (1529, 20204), (3058, 10102), (5051, 6116)]