311943995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1249}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 432000000

約数和(自身を除く): 120056005

約数列:

[1, 5, 11, 19, 55, 95, 209, 239, 1045, 1195, 1249, 2629, 4541, 6245, 13145, 13739, 22705, 23731, 49951, 68695, 118655, 249755, 261041, 298511, 1305205, 1492555, 3283621, 5671709, 16418105, 28358545, 62388799, 311943995]

約数ペア:

[(1, 311943995), (5, 62388799), (11, 28358545), (19, 16418105), (55, 5671709), (95, 3283621), (209, 1492555), (239, 1305205), (1045, 298511), (1195, 261041), (1249, 249755), (2629, 118655), (4541, 68695), (6245, 49951), (13145, 23731), (13739, 22705)]