12478986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3137}}^1$

素因数の和:3175

約数の個数: 48

約数和(自身を含む): 30840264

約数和(自身を除く): 18361278

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, 3137, 3978, 6274, 9411, 18822, 28233, 40781, 53329, 56466, 81562, 106658, 122343, 159987, 244686, 319974, 367029, 479961, 693277, 734058, 959922, 1386554, 2079831, 4159662, 6239493, 12478986]

約数ペア:

[(1, 12478986), (2, 6239493), (3, 4159662), (6, 2079831), (9, 1386554), (13, 959922), (17, 734058), (18, 693277), (26, 479961), (34, 367029), (39, 319974), (51, 244686), (78, 159987), (102, 122343), (117, 106658), (153, 81562), (221, 56466), (234, 53329), (306, 40781), (442, 28233), (663, 18822), (1326, 9411), (1989, 6274), (3137, 3978)]