648560641

素因数分解:

${\mathrm{31}}^2\times {\mathrm{661}}^1\times {\mathrm{1021}}^1$

素因数の和:1744

約数の個数: 12

約数和(自身を含む): 671828052

約数和(自身を除く): 23267411

約数列:

[1, 31, 661, 961, 1021, 20491, 31651, 635221, 674881, 981181, 20921311, 648560641]

約数ペア:

[(1, 648560641), (31, 20921311), (661, 981181), (961, 674881), (1021, 635221), (20491, 31651)]