205687638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{879007}}^1$

素因数の和:879028

約数の個数: 24

約数和(自身を含む): 479938368

約数和(自身を除く): 274250730

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 879007, 1758014, 2637021, 5274042, 7911063, 11427091, 15822126, 22854182, 34281273, 68562546, 102843819, 205687638]

約数ペア:

[(1, 205687638), (2, 102843819), (3, 68562546), (6, 34281273), (9, 22854182), (13, 15822126), (18, 11427091), (26, 7911063), (39, 5274042), (78, 2637021), (117, 1758014), (234, 879007)]