78839982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19819}}^1$

素因数の和:19857

約数の個数: 48

約数和(自身を含む): 194790960

約数和(自身を除く): 115950978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 19819, 39638, 59457, 118914, 178371, 257647, 336923, 356742, 515294, 673846, 772941, 1010769, 1545882, 2021538, 2318823, 3032307, 4379999, 4637646, 6064614, 8759998, 13139997, 26279994, 39419991, 78839982]

約数ペア:

[(1, 78839982), (2, 39419991), (3, 26279994), (6, 13139997), (9, 8759998), (13, 6064614), (17, 4637646), (18, 4379999), (26, 3032307), (34, 2318823), (39, 2021538), (51, 1545882), (78, 1010769), (102, 772941), (117, 673846), (153, 515294), (221, 356742), (234, 336923), (306, 257647), (442, 178371), (663, 118914), (1326, 59457), (1989, 39638), (3978, 19819)]