78019472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{256643}}^1$

素因数の和:256670

約数の個数: 20

約数和(自身を含む): 159119280

約数和(自身を除く): 81099808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 256643, 513286, 1026572, 2053144, 4106288, 4876217, 9752434, 19504868, 39009736, 78019472]

約数ペア:

[(1, 78019472), (2, 39009736), (4, 19504868), (8, 9752434), (16, 4876217), (19, 4106288), (38, 2053144), (76, 1026572), (152, 513286), (304, 256643)]