642989136

素因数分解:

$2^4\times 3^1\times {\mathrm{13395607}}^1$

素因数の和:13395618

約数の個数: 20

約数和(自身を含む): 1661055392

約数和(自身を除く): 1018066256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13395607, 26791214, 40186821, 53582428, 80373642, 107164856, 160747284, 214329712, 321494568, 642989136]

約数ペア:

[(1, 642989136), (2, 321494568), (3, 214329712), (4, 160747284), (6, 107164856), (8, 80373642), (12, 53582428), (16, 40186821), (24, 26791214), (48, 13395607)]