638807612

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{35977}}^1$

素因数の和:36197

約数の個数: 24

約数和(自身を含む): 1172594976

約数和(自身を除く): 533787364

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 4439, 8878, 17756, 35977, 71954, 143908, 827471, 1654942, 3309884, 6943561, 13887122, 27774244, 159701903, 319403806, 638807612]

約数ペア:

[(1, 638807612), (2, 319403806), (4, 159701903), (23, 27774244), (46, 13887122), (92, 6943561), (193, 3309884), (386, 1654942), (772, 827471), (4439, 143908), (8878, 71954), (17756, 35977)]