27990144004

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{2437}}^1\times {\mathrm{18289}}^1$

素因数の和:20887

約数の個数: 24

約数和(自身を含む): 49317668120

約数和(自身を除く): 21327524116

約数列:

[1, 2, 4, 157, 314, 628, 2437, 4874, 9748, 18289, 36578, 73156, 382609, 765218, 1530436, 2871373, 5742746, 11485492, 44570293, 89140586, 178281172, 6997536001, 13995072002, 27990144004]

約数ペア:

[(1, 27990144004), (2, 13995072002), (4, 6997536001), (157, 178281172), (314, 89140586), (628, 44570293), (2437, 11485492), (4874, 5742746), (9748, 2871373), (18289, 1530436), (36578, 765218), (73156, 382609)]