220834276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{47717}}^1$

素因数の和:47823

約数の個数: 24

約数和(自身を含む): 420872760

約数和(自身を除く): 200038484

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 47717, 95434, 190868, 620321, 1240642, 2481284, 4246813, 8493626, 16987252, 55208569, 110417138, 220834276]

約数ペア:

[(1, 220834276), (2, 110417138), (4, 55208569), (13, 16987252), (26, 8493626), (52, 4246813), (89, 2481284), (178, 1240642), (356, 620321), (1157, 190868), (2314, 95434), (4628, 47717)]