721215902

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{2980231}}^1$

素因数の和:2980255

約数の個数: 12

約数和(自身を含む): 1189112568

約数和(自身を除く): 467896666

約数列:

[1, 2, 11, 22, 121, 242, 2980231, 5960462, 32782541, 65565082, 360607951, 721215902]

約数ペア:

[(1, 721215902), (2, 360607951), (11, 65565082), (22, 32782541), (121, 5960462), (242, 2980231)]