17849902

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 13830098

約数列:

[1, 2, 7, 14, 43, 86, 149, 199, 298, 301, 398, 602, 1043, 1393, 2086, 2786, 6407, 8557, 12814, 17114, 29651, 44849, 59302, 59899, 89698, 119798, 207557, 415114, 1274993, 2549986, 8924951, 17849902]

約数ペア:

[(1, 17849902), (2, 8924951), (7, 2549986), (14, 1274993), (43, 415114), (86, 207557), (149, 119798), (199, 89698), (298, 59899), (301, 59302), (398, 44849), (602, 29651), (1043, 17114), (1393, 12814), (2086, 8557), (2786, 6407)]