872187799

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{4127}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 1072949760

約数和(自身を除く): 200761961

約数列:

[1, 7, 19, 49, 133, 227, 931, 1589, 4127, 4313, 11123, 28889, 30191, 78413, 202223, 211337, 548891, 936829, 3842237, 6557803, 17799751, 45904621, 124598257, 872187799]

約数ペア:

[(1, 872187799), (7, 124598257), (19, 45904621), (49, 17799751), (133, 6557803), (227, 3842237), (931, 936829), (1589, 548891), (4127, 211337), (4313, 202223), (11123, 78413), (28889, 30191)]