81201544

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 157021920

約数和(自身を除く): 75820376

約数列:

[1, 2, 4, 8, 43, 86, 137, 172, 274, 344, 548, 1096, 1723, 3446, 5891, 6892, 11782, 13784, 23564, 47128, 74089, 148178, 236051, 296356, 472102, 592712, 944204, 1888408, 10150193, 20300386, 40600772, 81201544]

約数ペア:

[(1, 81201544), (2, 40600772), (4, 20300386), (8, 10150193), (43, 1888408), (86, 944204), (137, 592712), (172, 472102), (274, 296356), (344, 236051), (548, 148178), (1096, 74089), (1723, 47128), (3446, 23564), (5891, 13784), (6892, 11782)]