78663819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 121201920

約数和(自身を除く): 42538101

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 689, 741, 1007, 2003, 2067, 3021, 6009, 13091, 26039, 38057, 39273, 78117, 106159, 114171, 318477, 494741, 1380067, 1484223, 2017021, 4140201, 6051063, 26221273, 78663819]

約数ペア:

[(1, 78663819), (3, 26221273), (13, 6051063), (19, 4140201), (39, 2017021), (53, 1484223), (57, 1380067), (159, 494741), (247, 318477), (689, 114171), (741, 106159), (1007, 78117), (2003, 39273), (2067, 38057), (3021, 26039), (6009, 13091)]