1993050505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1867}}^1$

素因数の和:2569

約数の個数: 32

約数和(自身を含む): 2671090560

約数和(自身を除く): 678040055

約数列:

[1, 5, 17, 19, 85, 95, 323, 661, 1615, 1867, 3305, 9335, 11237, 12559, 31739, 35473, 56185, 62795, 158695, 177365, 213503, 603041, 1067515, 1234087, 3015205, 6170435, 20979479, 23447653, 104897395, 117238265, 398610101, 1993050505]

約数ペア:

[(1, 1993050505), (5, 398610101), (17, 117238265), (19, 104897395), (85, 23447653), (95, 20979479), (323, 6170435), (661, 3015205), (1615, 1234087), (1867, 1067515), (3305, 603041), (9335, 213503), (11237, 177365), (12559, 158695), (31739, 62795), (35473, 56185)]