28037178

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{13313}}^1$

素因数の和:13340

約数の個数: 40

約数和(自身を含む): 67661748

約数和(自身を除く): 39624570

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 13313, 26626, 39939, 79878, 119817, 173069, 239634, 346138, 359451, 519207, 718902, 1038414, 1078353, 1557621, 2156706, 3115242, 4672863, 9345726, 14018589, 28037178]

約数ペア:

[(1, 28037178), (2, 14018589), (3, 9345726), (6, 4672863), (9, 3115242), (13, 2156706), (18, 1557621), (26, 1078353), (27, 1038414), (39, 718902), (54, 519207), (78, 359451), (81, 346138), (117, 239634), (162, 173069), (234, 119817), (351, 79878), (702, 39939), (1053, 26626), (2106, 13313)]