1680821285

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4547}}^1$

素因数の和:4634

約数の個数: 48

約数和(自身を含む): 2438892288

約数和(自身を除く): 758071003

約数列:

[1, 5, 11, 13, 47, 55, 65, 121, 143, 235, 517, 605, 611, 715, 1573, 2585, 3055, 4547, 5687, 6721, 7865, 22735, 28435, 33605, 50017, 59111, 73931, 213709, 250085, 295555, 369655, 550187, 650221, 1068545, 2350799, 2750935, 2778217, 3251105, 7152431, 11753995, 13891085, 25858789, 30560387, 35762155, 129293945, 152801935, 336164257, 1680821285]

約数ペア:

[(1, 1680821285), (5, 336164257), (11, 152801935), (13, 129293945), (47, 35762155), (55, 30560387), (65, 25858789), (121, 13891085), (143, 11753995), (235, 7152431), (517, 3251105), (605, 2778217), (611, 2750935), (715, 2350799), (1573, 1068545), (2585, 650221), (3055, 550187), (4547, 369655), (5687, 295555), (6721, 250085), (7865, 213709), (22735, 73931), (28435, 59111), (33605, 50017)]