40688538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 94970880

約数和(自身を除く): 54282342

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 71, 114, 142, 209, 213, 418, 426, 457, 627, 781, 914, 1254, 1349, 1371, 1562, 2343, 2698, 2742, 4047, 4686, 5027, 8094, 8683, 10054, 14839, 15081, 17366, 26049, 29678, 30162, 32447, 44517, 52098, 64894, 89034, 95513, 97341, 191026, 194682, 286539, 356917, 573078, 616493, 713834, 1070751, 1232986, 1849479, 2141502, 3698958, 6781423, 13562846, 20344269, 40688538]

約数ペア:

[(1, 40688538), (2, 20344269), (3, 13562846), (6, 6781423), (11, 3698958), (19, 2141502), (22, 1849479), (33, 1232986), (38, 1070751), (57, 713834), (66, 616493), (71, 573078), (114, 356917), (142, 286539), (209, 194682), (213, 191026), (418, 97341), (426, 95513), (457, 89034), (627, 64894), (781, 52098), (914, 44517), (1254, 32447), (1349, 30162), (1371, 29678), (1562, 26049), (2343, 17366), (2698, 15081), (2742, 14839), (4047, 10054), (4686, 8683), (5027, 8094)]