255609424

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{25643}}^1$

素因数の和:25747

約数の個数: 40

約数和(自身を含む): 572374080

約数和(自身を除く): 316764656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 25643, 51286, 102572, 179501, 205144, 359002, 410288, 718004, 1436008, 2282227, 2872016, 4564454, 9128908, 15975589, 18257816, 31951178, 36515632, 63902356, 127804712, 255609424]

約数ペア:

[(1, 255609424), (2, 127804712), (4, 63902356), (7, 36515632), (8, 31951178), (14, 18257816), (16, 15975589), (28, 9128908), (56, 4564454), (89, 2872016), (112, 2282227), (178, 1436008), (356, 718004), (623, 410288), (712, 359002), (1246, 205144), (1424, 179501), (2492, 102572), (4984, 51286), (9968, 25643)]