128293456

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{170603}}^1$

素因数の和:170658

約数の個数: 20

約数和(自身を含む): 253858752

約数和(自身を除く): 125565296

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 170603, 341206, 682412, 1364824, 2729648, 8018341, 16036682, 32073364, 64146728, 128293456]

約数ペア:

[(1, 128293456), (2, 64146728), (4, 32073364), (8, 16036682), (16, 8018341), (47, 2729648), (94, 1364824), (188, 682412), (376, 341206), (752, 170603)]