243518687

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 271393920

約数和(自身を除く): 27875233

約数列:

[1, 19, 23, 139, 211, 361, 437, 2641, 3197, 4009, 4853, 8303, 29329, 50179, 60743, 76171, 92207, 557251, 674567, 1154117, 1751933, 10587769, 12816773, 243518687]

約数ペア:

[(1, 243518687), (19, 12816773), (23, 10587769), (139, 1751933), (211, 1154117), (361, 674567), (437, 557251), (2641, 92207), (3197, 76171), (4009, 60743), (4853, 50179), (8303, 29329)]