81372016

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{3821}}^1$

素因数の和:3862

約数の個数: 40

約数和(自身を含む): 173457648

約数和(自身を除く): 92085632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1331, 1936, 2662, 3821, 5324, 7642, 10648, 15284, 21296, 30568, 42031, 61136, 84062, 168124, 336248, 462341, 672496, 924682, 1849364, 3698728, 5085751, 7397456, 10171502, 20343004, 40686008, 81372016]

約数ペア:

[(1, 81372016), (2, 40686008), (4, 20343004), (8, 10171502), (11, 7397456), (16, 5085751), (22, 3698728), (44, 1849364), (88, 924682), (121, 672496), (176, 462341), (242, 336248), (484, 168124), (968, 84062), (1331, 61136), (1936, 42031), (2662, 30568), (3821, 21296), (5324, 15284), (7642, 10648)]