256840902

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{128549}}^1$

素因数の和:128597

約数の個数: 32

約数和(自身を含む): 586188000

約数和(自身を除く): 329347098

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 128549, 257098, 385647, 771294, 1156941, 2313882, 3470823, 4756313, 6941646, 9512626, 14268939, 28537878, 42806817, 85613634, 128420451, 256840902]

約数ペア:

[(1, 256840902), (2, 128420451), (3, 85613634), (6, 42806817), (9, 28537878), (18, 14268939), (27, 9512626), (37, 6941646), (54, 4756313), (74, 3470823), (111, 2313882), (222, 1156941), (333, 771294), (666, 385647), (999, 257098), (1998, 128549)]