1900390198

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{6701}}^1$

素因数の和:7188

約数の個数: 32

約数和(自身を含む): 3335344128

約数和(自身を除く): 1434953930

約数列:

[1, 2, 7, 14, 47, 94, 329, 431, 658, 862, 3017, 6034, 6701, 13402, 20257, 40514, 46907, 93814, 141799, 283598, 314947, 629894, 2204629, 2888131, 4409258, 5776262, 20216917, 40433834, 135742157, 271484314, 950195099, 1900390198]

約数ペア:

[(1, 1900390198), (2, 950195099), (7, 271484314), (14, 135742157), (47, 40433834), (94, 20216917), (329, 5776262), (431, 4409258), (658, 2888131), (862, 2204629), (3017, 629894), (6034, 314947), (6701, 283598), (13402, 141799), (20257, 93814), (40514, 46907)]