28366975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 44594368

約数和(自身を除く): 16227393

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 175, 185, 259, 325, 337, 455, 481, 925, 1295, 1685, 2275, 2359, 2405, 3367, 4381, 6475, 8425, 11795, 12025, 12469, 16835, 21905, 30667, 58975, 62345, 84175, 87283, 109525, 153335, 162097, 311725, 436415, 766675, 810485, 1134679, 2182075, 4052425, 5673395, 28366975]

約数ペア:

[(1, 28366975), (5, 5673395), (7, 4052425), (13, 2182075), (25, 1134679), (35, 810485), (37, 766675), (65, 436415), (91, 311725), (175, 162097), (185, 153335), (259, 109525), (325, 87283), (337, 84175), (455, 62345), (481, 58975), (925, 30667), (1295, 21905), (1685, 16835), (2275, 12469), (2359, 12025), (2405, 11795), (3367, 8425), (4381, 6475)]