2011839991

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{3739}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 2387616000

約数和(自身を除く): 375776009

約数列:

[1, 7, 49, 79, 139, 553, 973, 3739, 3871, 6811, 10981, 26173, 76867, 183211, 295381, 519721, 538069, 2067667, 3638047, 14473669, 25466329, 41057959, 287405713, 2011839991]

約数ペア:

[(1, 2011839991), (7, 287405713), (49, 41057959), (79, 25466329), (139, 14473669), (553, 3638047), (973, 2067667), (3739, 538069), (3871, 519721), (6811, 295381), (10981, 183211), (26173, 76867)]