212173864

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{42571}}^1$

素因数の和:42673

約数の個数: 32

約数和(自身を含む): 459777600

約数和(自身を除く): 247603736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 42571, 85142, 170284, 297997, 340568, 595994, 1191988, 2383976, 3788819, 7577638, 15155276, 26521733, 30310552, 53043466, 106086932, 212173864]

約数ペア:

[(1, 212173864), (2, 106086932), (4, 53043466), (7, 30310552), (8, 26521733), (14, 15155276), (28, 7577638), (56, 3788819), (89, 2383976), (178, 1191988), (356, 595994), (623, 340568), (712, 297997), (1246, 170284), (2492, 85142), (4984, 42571)]