31388816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{27631}}^1$

素因数の和:27710

約数の個数: 20

約数和(自身を含む): 61674624

約数和(自身を除く): 30285808

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 27631, 55262, 110524, 221048, 442096, 1961801, 3923602, 7847204, 15694408, 31388816]

約数ペア:

[(1, 31388816), (2, 15694408), (4, 7847204), (8, 3923602), (16, 1961801), (71, 442096), (142, 221048), (284, 110524), (568, 55262), (1136, 27631)]