211312805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1171}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 294668928

約数和(自身を除く): 83356123

約数列:

[1, 5, 11, 17, 55, 85, 187, 193, 935, 965, 1171, 2123, 3281, 5855, 10615, 12881, 16405, 19907, 36091, 64405, 99535, 180455, 218977, 226003, 1094885, 1130015, 2486033, 3842051, 12430165, 19210255, 42262561, 211312805]

約数ペア:

[(1, 211312805), (5, 42262561), (11, 19210255), (17, 12430165), (55, 3842051), (85, 2486033), (187, 1130015), (193, 1094885), (935, 226003), (965, 218977), (1171, 180455), (2123, 99535), (3281, 64405), (5855, 36091), (10615, 19907), (12881, 16405)]