31289872

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{20161}}^1$

素因数の和:20266

約数の個数: 20

約数和(自身を含む): 61252156

約数和(自身を除く): 29962284

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 20161, 40322, 80644, 161288, 322576, 1955617, 3911234, 7822468, 15644936, 31289872]

約数ペア:

[(1, 31289872), (2, 15644936), (4, 7822468), (8, 3911234), (16, 1955617), (97, 322576), (194, 161288), (388, 80644), (776, 40322), (1552, 20161)]