81504592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5519}}^1$

素因数の和:5611

約数の個数: 40

約数和(自身を含む): 172488960

約数和(自身を除く): 90984368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 5519, 7384, 11038, 14768, 22076, 44152, 71747, 88304, 143494, 286988, 391849, 573976, 783698, 1147952, 1567396, 3134792, 5094037, 6269584, 10188074, 20376148, 40752296, 81504592]

約数ペア:

[(1, 81504592), (2, 40752296), (4, 20376148), (8, 10188074), (13, 6269584), (16, 5094037), (26, 3134792), (52, 1567396), (71, 1147952), (104, 783698), (142, 573976), (208, 391849), (284, 286988), (568, 143494), (923, 88304), (1136, 71747), (1846, 44152), (3692, 22076), (5519, 14768), (7384, 11038)]