1991413746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{13999}}^1$

素因数の和:15143

約数の個数: 48

約数和(自身を含む): 4935840000

約数和(自身を除く): 2944426254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1129, 2258, 3387, 6774, 7903, 10161, 13999, 15806, 20322, 23709, 27998, 41997, 47418, 71127, 83994, 97993, 125991, 142254, 195986, 251982, 293979, 587958, 881937, 1763874, 15804871, 31609742, 47414613, 94829226, 110634097, 142243839, 221268194, 284487678, 331902291, 663804582, 995706873, 1991413746]

約数ペア:

[(1, 1991413746), (2, 995706873), (3, 663804582), (6, 331902291), (7, 284487678), (9, 221268194), (14, 142243839), (18, 110634097), (21, 94829226), (42, 47414613), (63, 31609742), (126, 15804871), (1129, 1763874), (2258, 881937), (3387, 587958), (6774, 293979), (7903, 251982), (10161, 195986), (13999, 142254), (15806, 125991), (20322, 97993), (23709, 83994), (27998, 71127), (41997, 47418)]