81999834

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{278911}}^1$

素因数の和:278930

約数の個数: 24

約数和(自身を含む): 190775808

約数和(自身を除く): 108775974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 278911, 557822, 836733, 1673466, 1952377, 3904754, 5857131, 11714262, 13666639, 27333278, 40999917, 81999834]

約数ペア:

[(1, 81999834), (2, 40999917), (3, 27333278), (6, 13666639), (7, 11714262), (14, 5857131), (21, 3904754), (42, 1952377), (49, 1673466), (98, 836733), (147, 557822), (294, 278911)]