261768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 705600

約数和(自身を除く): 443832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 839, 1678, 2517, 3356, 5034, 6712, 10068, 10907, 20136, 21814, 32721, 43628, 65442, 87256, 130884, 261768]

約数ペア:

[(1, 261768), (2, 130884), (3, 87256), (4, 65442), (6, 43628), (8, 32721), (12, 21814), (13, 20136), (24, 10907), (26, 10068), (39, 6712), (52, 5034), (78, 3356), (104, 2517), (156, 1678), (312, 839)]