671831355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4300

約数の個数: 64

約数和(自身を含む): 1247178240

約数和(自身を除く): 575346885

約数列:

[1, 3, 5, 13, 15, 19, 39, 43, 57, 65, 95, 129, 195, 215, 247, 285, 559, 645, 741, 817, 1235, 1677, 2451, 2795, 3705, 4085, 4217, 8385, 10621, 12255, 12651, 21085, 31863, 53105, 54821, 63255, 80123, 159315, 164463, 181331, 240369, 274105, 400615, 543993, 822315, 906655, 1041599, 1201845, 2357303, 2719965, 3124797, 3445289, 5207995, 7071909, 10335867, 11786515, 15623985, 17226445, 35359545, 44788757, 51679335, 134366271, 223943785, 671831355]

約数ペア:

[(1, 671831355), (3, 223943785), (5, 134366271), (13, 51679335), (15, 44788757), (19, 35359545), (39, 17226445), (43, 15623985), (57, 11786515), (65, 10335867), (95, 7071909), (129, 5207995), (195, 3445289), (215, 3124797), (247, 2719965), (285, 2357303), (559, 1201845), (645, 1041599), (741, 906655), (817, 822315), (1235, 543993), (1677, 400615), (2451, 274105), (2795, 240369), (3705, 181331), (4085, 164463), (4217, 159315), (8385, 80123), (10621, 63255), (12255, 54821), (12651, 53105), (21085, 31863)]