78880568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4831}}^1$

素因数の和:5007

約数の個数: 32

約数和(自身を含む): 160325760

約数和(自身を除く): 81445192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 4831, 8164, 9662, 16328, 19324, 38648, 62803, 125606, 251212, 502424, 758467, 1516934, 3033868, 6067736, 9860071, 19720142, 39440284, 78880568]

約数ペア:

[(1, 78880568), (2, 39440284), (4, 19720142), (8, 9860071), (13, 6067736), (26, 3033868), (52, 1516934), (104, 758467), (157, 502424), (314, 251212), (628, 125606), (1256, 62803), (2041, 38648), (4082, 19324), (4831, 16328), (8164, 9662)]