78880072

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{35089}}^1$

素因数の和:35376

約数の個数: 16

約数和(自身を含む): 148430700

約数和(自身を除く): 69550628

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 35089, 70178, 140356, 280712, 9860009, 19720018, 39440036, 78880072]

約数ペア:

[(1, 78880072), (2, 39440036), (4, 19720018), (8, 9860009), (281, 280712), (562, 140356), (1124, 70178), (2248, 35089)]