2220245495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{923179}}^1$

素因数の和:923234

約数の個数: 16

約数和(自身を含む): 2946790560

約数和(自身を除く): 726545065

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 923179, 4615895, 12001327, 34157623, 60006635, 170788115, 444049099, 2220245495]

約数ペア:

[(1, 2220245495), (5, 444049099), (13, 170788115), (37, 60006635), (65, 34157623), (185, 12001327), (481, 4615895), (2405, 923179)]