287679996

素因数分解:

$2^2\times 3^2\times {\mathrm{541}}^1\times {\mathrm{14771}}^1$

素因数の和:15322

約数の個数: 36

約数和(自身を含む): 728584584

約数和(自身を除く): 440904588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541, 1082, 1623, 2164, 3246, 4869, 6492, 9738, 14771, 19476, 29542, 44313, 59084, 88626, 132939, 177252, 265878, 531756, 7991111, 15982222, 23973333, 31964444, 47946666, 71919999, 95893332, 143839998, 287679996]

約数ペア:

[(1, 287679996), (2, 143839998), (3, 95893332), (4, 71919999), (6, 47946666), (9, 31964444), (12, 23973333), (18, 15982222), (36, 7991111), (541, 531756), (1082, 265878), (1623, 177252), (2164, 132939), (3246, 88626), (4869, 59084), (6492, 44313), (9738, 29542), (14771, 19476)]