77777576

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{367}}^1\times {\mathrm{449}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 149040000

約数和(自身を除く): 71262424

約数列:

[1, 2, 4, 8, 59, 118, 236, 367, 449, 472, 734, 898, 1468, 1796, 2936, 3592, 21653, 26491, 43306, 52982, 86612, 105964, 164783, 173224, 211928, 329566, 659132, 1318264, 9722197, 19444394, 38888788, 77777576]

約数ペア:

[(1, 77777576), (2, 38888788), (4, 19444394), (8, 9722197), (59, 1318264), (118, 659132), (236, 329566), (367, 211928), (449, 173224), (472, 164783), (734, 105964), (898, 86612), (1468, 52982), (1796, 43306), (2936, 26491), (3592, 21653)]