1991232358544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{870293863}}^1$

素因数の和:870293895

約数の個数: 40

約数和(自身を含む): 4532490443712

約数和(自身を除く): 2541258085168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 870293863, 1740587726, 3481175452, 6962350904, 9573232493, 11313820219, 13924701808, 19146464986, 22627640438, 38292929972, 45255280876, 76585859944, 90510561752, 124452022409, 153171719888, 181021123504, 248904044818, 497808089636, 995616179272, 1991232358544]

約数ペア:

[(1, 1991232358544), (2, 995616179272), (4, 497808089636), (8, 248904044818), (11, 181021123504), (13, 153171719888), (16, 124452022409), (22, 90510561752), (26, 76585859944), (44, 45255280876), (52, 38292929972), (88, 22627640438), (104, 19146464986), (143, 13924701808), (176, 11313820219), (208, 9573232493), (286, 6962350904), (572, 3481175452), (1144, 1740587726), (2288, 870293863)]