808222018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{19963}}^1$

素因数の和:20649

約数の個数: 16

約数和(自身を含む): 1253419776

約数和(自身を除く): 445197758

約数列:

[1, 2, 31, 62, 653, 1306, 19963, 20243, 39926, 40486, 618853, 1237706, 13035839, 26071678, 404111009, 808222018]

約数ペア:

[(1, 808222018), (2, 404111009), (31, 26071678), (62, 13035839), (653, 1237706), (1306, 618853), (19963, 40486), (20243, 39926)]