1991198406

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{673157}}^1$

素因数の和:673208

約数の個数: 32

約数和(自身を含む): 4362063840

約数和(自身を除く): 2370865434

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 174, 493, 986, 1479, 2958, 673157, 1346314, 2019471, 4038942, 11443669, 19521553, 22887338, 34331007, 39043106, 58564659, 68662014, 117129318, 331866401, 663732802, 995599203, 1991198406]

約数ペア:

[(1, 1991198406), (2, 995599203), (3, 663732802), (6, 331866401), (17, 117129318), (29, 68662014), (34, 58564659), (51, 39043106), (58, 34331007), (87, 22887338), (102, 19521553), (174, 11443669), (493, 4038942), (986, 2019471), (1479, 1346314), (2958, 673157)]