256989315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{29387}}^1$

素因数の和:29459

約数の個数: 32

約数和(自身を含む): 457042176

約数和(自身を除く): 200052861

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2915, 8745, 29387, 88161, 146935, 323257, 440805, 969771, 1557511, 1616285, 4672533, 4848855, 7787555, 17132621, 23362665, 51397863, 85663105, 256989315]

約数ペア:

[(1, 256989315), (3, 85663105), (5, 51397863), (11, 23362665), (15, 17132621), (33, 7787555), (53, 4848855), (55, 4672533), (159, 1616285), (165, 1557511), (265, 969771), (583, 440805), (795, 323257), (1749, 146935), (2915, 88161), (8745, 29387)]