30781136

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{8627}}^1$

素因数の和:8858

約数の個数: 20

約数和(自身を含む): 59912832

約数和(自身を除く): 29131696

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 8627, 17254, 34508, 69016, 138032, 1923821, 3847642, 7695284, 15390568, 30781136]

約数ペア:

[(1, 30781136), (2, 15390568), (4, 7695284), (8, 3847642), (16, 1923821), (223, 138032), (446, 69016), (892, 34508), (1784, 17254), (3568, 8627)]