80775124

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 143589600

約数和(自身を除く): 62814476

約数列:

[1, 2, 4, 131, 139, 262, 278, 524, 556, 1109, 2218, 4436, 18209, 36418, 72836, 145279, 154151, 290558, 308302, 581116, 616604, 20193781, 40387562, 80775124]

約数ペア:

[(1, 80775124), (2, 40387562), (4, 20193781), (131, 616604), (139, 581116), (262, 308302), (278, 290558), (524, 154151), (556, 145279), (1109, 72836), (2218, 36418), (4436, 18209)]