13181994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 34298880

約数和(自身を除く): 21116886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 811, 903, 1161, 1622, 1806, 2322, 2433, 2709, 4866, 5418, 5677, 7299, 8127, 11354, 14598, 16254, 17031, 21897, 34062, 34873, 43794, 51093, 69746, 102186, 104619, 153279, 209238, 244111, 306558, 313857, 488222, 627714, 732333, 941571, 1464666, 1883142, 2196999, 4393998, 6590997, 13181994]

約数ペア:

[(1, 13181994), (2, 6590997), (3, 4393998), (6, 2196999), (7, 1883142), (9, 1464666), (14, 941571), (18, 732333), (21, 627714), (27, 488222), (42, 313857), (43, 306558), (54, 244111), (63, 209238), (86, 153279), (126, 104619), (129, 102186), (189, 69746), (258, 51093), (301, 43794), (378, 34873), (387, 34062), (602, 21897), (774, 17031), (811, 16254), (903, 14598), (1161, 11354), (1622, 8127), (1806, 7299), (2322, 5677), (2433, 5418), (2709, 4866)]