285087005

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2551}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 407666688

約数和(自身を除く): 122579683

約数列:

[1, 5, 7, 31, 35, 103, 155, 217, 515, 721, 1085, 2551, 3193, 3605, 12755, 15965, 17857, 22351, 79081, 89285, 111755, 262753, 395405, 553567, 1313765, 1839271, 2767835, 8145343, 9196355, 40726715, 57017401, 285087005]

約数ペア:

[(1, 285087005), (5, 57017401), (7, 40726715), (31, 9196355), (35, 8145343), (103, 2767835), (155, 1839271), (217, 1313765), (515, 553567), (721, 395405), (1085, 262753), (2551, 111755), (3193, 89285), (3605, 79081), (12755, 22351), (15965, 17857)]