258959428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{711427}}^1$

素因数の和:711451

約数の個数: 24

約数和(自身を含む): 557759552

約数和(自身を除く): 298800124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 711427, 1422854, 2845708, 4979989, 9248551, 9959978, 18497102, 19919956, 36994204, 64739857, 129479714, 258959428]

約数ペア:

[(1, 258959428), (2, 129479714), (4, 64739857), (7, 36994204), (13, 19919956), (14, 18497102), (26, 9959978), (28, 9248551), (52, 4979989), (91, 2845708), (182, 1422854), (364, 711427)]