520042978

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{408197}}^1$

素因数の和:408226

約数の個数: 24

約数和(自身を含む): 977226012

約数和(自身を除く): 457183034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 408197, 816394, 2857379, 5306561, 5714758, 10613122, 20001653, 37145927, 40003306, 74291854, 260021489, 520042978]

約数ペア:

[(1, 520042978), (2, 260021489), (7, 74291854), (13, 40003306), (14, 37145927), (26, 20001653), (49, 10613122), (91, 5714758), (98, 5306561), (182, 2857379), (637, 816394), (1274, 408197)]