199912979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 255208320

約数和(自身を除く): 55295341

約数列:

[1, 7, 17, 29, 53, 119, 203, 371, 493, 901, 1093, 1537, 3451, 6307, 7651, 10759, 18581, 26129, 31697, 57929, 130067, 182903, 221879, 405503, 538849, 984793, 1679941, 3771943, 6893551, 11759587, 28558997, 199912979]

約数ペア:

[(1, 199912979), (7, 28558997), (17, 11759587), (29, 6893551), (53, 3771943), (119, 1679941), (203, 984793), (371, 538849), (493, 405503), (901, 221879), (1093, 182903), (1537, 130067), (3451, 57929), (6307, 31697), (7651, 26129), (10759, 18581)]