201721805104

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{141658571}}^1$

素因数の和:141658668

約数の個数: 20

約数和(自身を含む): 395227415880

約数和(自身を除く): 193505610776

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 141658571, 283317142, 566634284, 1133268568, 2266537136, 12607612819, 25215225638, 50430451276, 100860902552, 201721805104]

約数ペア:

[(1, 201721805104), (2, 100860902552), (4, 50430451276), (8, 25215225638), (16, 12607612819), (89, 2266537136), (178, 1133268568), (356, 566634284), (712, 283317142), (1424, 141658571)]