181220006

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 36

約数和(自身を含む): 307643364

約数和(自身を除く): 126423358

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 547, 814, 1094, 1369, 2738, 4477, 6017, 8954, 12034, 15059, 20239, 30118, 40478, 66187, 132374, 165649, 222629, 331298, 445258, 748843, 1497686, 2448919, 4897838, 8237273, 16474546, 90610003, 181220006]

約数ペア:

[(1, 181220006), (2, 90610003), (11, 16474546), (22, 8237273), (37, 4897838), (74, 2448919), (121, 1497686), (242, 748843), (407, 445258), (547, 331298), (814, 222629), (1094, 165649), (1369, 132374), (2738, 66187), (4477, 40478), (6017, 30118), (8954, 20239), (12034, 15059)]