123728722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 217848960

約数和(自身を除く): 94120238

約数列:

[1, 2, 13, 19, 26, 38, 47, 73, 94, 146, 247, 494, 611, 893, 949, 1222, 1387, 1786, 1898, 2774, 3431, 5329, 6862, 10658, 11609, 18031, 23218, 36062, 44603, 65189, 69277, 89206, 101251, 130378, 138554, 202502, 250463, 500926, 847457, 1316263, 1694914, 2632526, 3256019, 4758797, 6512038, 9517594, 61864361, 123728722]

約数ペア:

[(1, 123728722), (2, 61864361), (13, 9517594), (19, 6512038), (26, 4758797), (38, 3256019), (47, 2632526), (73, 1694914), (94, 1316263), (146, 847457), (247, 500926), (494, 250463), (611, 202502), (893, 138554), (949, 130378), (1222, 101251), (1387, 89206), (1786, 69277), (1898, 65189), (2774, 44603), (3431, 36062), (5329, 23218), (6862, 18031), (10658, 11609)]