687615908

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{5021}}^1$

素因数の和:5172

約数の個数: 48

約数和(自身を含む): 1415159424

約数和(自身を除く): 727543516

約数列:

[1, 2, 4, 7, 14, 28, 67, 73, 134, 146, 268, 292, 469, 511, 938, 1022, 1876, 2044, 4891, 5021, 9782, 10042, 19564, 20084, 34237, 35147, 68474, 70294, 136948, 140588, 336407, 366533, 672814, 733066, 1345628, 1466132, 2354849, 2565731, 4709698, 5131462, 9419396, 10262924, 24557711, 49115422, 98230844, 171903977, 343807954, 687615908]

約数ペア:

[(1, 687615908), (2, 343807954), (4, 171903977), (7, 98230844), (14, 49115422), (28, 24557711), (67, 10262924), (73, 9419396), (134, 5131462), (146, 4709698), (268, 2565731), (292, 2354849), (469, 1466132), (511, 1345628), (938, 733066), (1022, 672814), (1876, 366533), (2044, 336407), (4891, 140588), (5021, 136948), (9782, 70294), (10042, 68474), (19564, 35147), (20084, 34237)]