78408968

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{81001}}^1$

素因数の和:81029

約数の個数: 24

約数和(自身を含む): 161598990

約数和(自身を除く): 83190022

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 81001, 162002, 324004, 648008, 891011, 1782022, 3564044, 7128088, 9801121, 19602242, 39204484, 78408968]

約数ペア:

[(1, 78408968), (2, 39204484), (4, 19602242), (8, 9801121), (11, 7128088), (22, 3564044), (44, 1782022), (88, 891011), (121, 648008), (242, 324004), (484, 162002), (968, 81001)]