221036278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 357447168

約数和(自身を除く): 136410890

約数列:

[1, 2, 17, 34, 101, 191, 202, 337, 382, 674, 1717, 3247, 3434, 5729, 6494, 11458, 19291, 34037, 38582, 64367, 68074, 128734, 327947, 578629, 655894, 1094239, 1157258, 2188478, 6501067, 13002134, 110518139, 221036278]

約数ペア:

[(1, 221036278), (2, 110518139), (17, 13002134), (34, 6501067), (101, 2188478), (191, 1157258), (202, 1094239), (337, 655894), (382, 578629), (674, 327947), (1717, 128734), (3247, 68074), (3434, 64367), (5729, 38582), (6494, 34037), (11458, 19291)]