290291258455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1389319}}^1$

素因数の和:1389495

約数の個数: 32

約数和(自身を含む): 396122918400

約数和(自身を除く): 105831659945

約数列:

[1, 5, 11, 29, 55, 131, 145, 319, 655, 1441, 1595, 3799, 7205, 18995, 41789, 208945, 1389319, 6946595, 15282509, 40290251, 76412545, 182000789, 201451255, 443192761, 910003945, 2002008679, 2215963805, 5278022881, 10010043395, 26390114405, 58058251691, 290291258455]

約数ペア:

[(1, 290291258455), (5, 58058251691), (11, 26390114405), (29, 10010043395), (55, 5278022881), (131, 2215963805), (145, 2002008679), (319, 910003945), (655, 443192761), (1441, 201451255), (1595, 182000789), (3799, 76412545), (7205, 40290251), (18995, 15282509), (41789, 6946595), (208945, 1389319)]