120005557

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 145190400

約数和(自身を除く): 25184843

約数列:

[1, 7, 31, 49, 199, 217, 397, 1393, 1519, 2779, 6169, 9751, 12307, 19453, 43183, 79003, 86149, 302281, 553021, 603043, 2449093, 3871147, 17143651, 120005557]

約数ペア:

[(1, 120005557), (7, 17143651), (31, 3871147), (49, 2449093), (199, 603043), (217, 553021), (397, 302281), (1393, 86149), (1519, 79003), (2779, 43183), (6169, 19453), (9751, 12307)]