128639076

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{25463}}^1$

素因数の和:25891

約数の個数: 24

約数和(自身を含む): 300882624

約数和(自身を除く): 172243548

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 25463, 50926, 76389, 101852, 152778, 305556, 10719923, 21439846, 32159769, 42879692, 64319538, 128639076]

約数ペア:

[(1, 128639076), (2, 64319538), (3, 42879692), (4, 32159769), (6, 21439846), (12, 10719923), (421, 305556), (842, 152778), (1263, 101852), (1684, 76389), (2526, 50926), (5052, 25463)]