1997304894

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{161047}}^1$

素因数の和:161121

約数の個数: 48

約数和(自身を含む): 4748339232

約数和(自身を除く): 2751034338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 2067, 4134, 6201, 12402, 161047, 322094, 483141, 966282, 1449423, 2093611, 2898846, 4187222, 6280833, 8535491, 12561666, 17070982, 18842499, 25606473, 37684998, 51212946, 76819419, 110961383, 153638838, 221922766, 332884149, 665768298, 998652447, 1997304894]

約数ペア:

[(1, 1997304894), (2, 998652447), (3, 665768298), (6, 332884149), (9, 221922766), (13, 153638838), (18, 110961383), (26, 76819419), (39, 51212946), (53, 37684998), (78, 25606473), (106, 18842499), (117, 17070982), (159, 12561666), (234, 8535491), (318, 6280833), (477, 4187222), (689, 2898846), (954, 2093611), (1378, 1449423), (2067, 966282), (4134, 483141), (6201, 322094), (12402, 161047)]