1399788

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 3912160

約数和(自身を除く): 2512372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 997, 1404, 1994, 2991, 3988, 5982, 8973, 11964, 12961, 17946, 25922, 26919, 35892, 38883, 51844, 53838, 77766, 107676, 116649, 155532, 233298, 349947, 466596, 699894, 1399788]

約数ペア:

[(1, 1399788), (2, 699894), (3, 466596), (4, 349947), (6, 233298), (9, 155532), (12, 116649), (13, 107676), (18, 77766), (26, 53838), (27, 51844), (36, 38883), (39, 35892), (52, 26919), (54, 25922), (78, 17946), (108, 12961), (117, 11964), (156, 8973), (234, 5982), (351, 3988), (468, 2991), (702, 1994), (997, 1404)]