123428556

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{5743}}^1$

素因数の和:5955

約数の個数: 48

約数和(自身を含む): 321664000

約数和(自身を除く): 198235444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 1194, 1791, 2388, 3582, 5373, 5743, 7164, 10746, 11486, 17229, 21492, 22972, 34458, 51687, 68916, 103374, 155061, 206748, 310122, 620244, 1142857, 2285714, 3428571, 4571428, 6857142, 10285713, 13714284, 20571426, 30857139, 41142852, 61714278, 123428556]

約数ペア:

[(1, 123428556), (2, 61714278), (3, 41142852), (4, 30857139), (6, 20571426), (9, 13714284), (12, 10285713), (18, 6857142), (27, 4571428), (36, 3428571), (54, 2285714), (108, 1142857), (199, 620244), (398, 310122), (597, 206748), (796, 155061), (1194, 103374), (1791, 68916), (2388, 51687), (3582, 34458), (5373, 22972), (5743, 21492), (7164, 17229), (10746, 11486)]