40891172

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 84446208

約数和(自身を除く): 43555036

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 142, 268, 284, 307, 469, 497, 614, 938, 994, 1228, 1876, 1988, 2149, 4298, 4757, 8596, 9514, 19028, 20569, 21797, 33299, 41138, 43594, 66598, 82276, 87188, 133196, 143983, 152579, 287966, 305158, 575932, 610316, 1460399, 2920798, 5841596, 10222793, 20445586, 40891172]

約数ペア:

[(1, 40891172), (2, 20445586), (4, 10222793), (7, 5841596), (14, 2920798), (28, 1460399), (67, 610316), (71, 575932), (134, 305158), (142, 287966), (268, 152579), (284, 143983), (307, 133196), (469, 87188), (497, 82276), (614, 66598), (938, 43594), (994, 41138), (1228, 33299), (1876, 21797), (1988, 20569), (2149, 19028), (4298, 9514), (4757, 8596)]