220121564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{47563}}^1$

素因数の和:47669

約数の個数: 24

約数和(自身を含む): 419514480

約数和(自身を除く): 199392916

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 47563, 95126, 190252, 618319, 1236638, 2473276, 4233107, 8466214, 16932428, 55030391, 110060782, 220121564]

約数ペア:

[(1, 220121564), (2, 110060782), (4, 55030391), (13, 16932428), (26, 8466214), (52, 4233107), (89, 2473276), (178, 1236638), (356, 618319), (1157, 190252), (2314, 95126), (4628, 47563)]