1990452711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{15527}}^1$

素因数の和:15735

約数の個数: 32

約数和(自身を含む): 3026096640

約数和(自身を除く): 1035643929

約数列:

[1, 3, 13, 19, 39, 57, 173, 247, 519, 741, 2249, 3287, 6747, 9861, 15527, 42731, 46581, 128193, 201851, 295013, 605553, 885039, 2686171, 3835169, 8058513, 11505507, 34920223, 51037249, 104760669, 153111747, 663484237, 1990452711]

約数ペア:

[(1, 1990452711), (3, 663484237), (13, 153111747), (19, 104760669), (39, 51037249), (57, 34920223), (173, 11505507), (247, 8058513), (519, 3835169), (741, 2686171), (2249, 885039), (3287, 605553), (6747, 295013), (9861, 201851), (15527, 128193), (42731, 46581)]