216322938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21499}}^1$

素因数の和:21563

約数の個数: 48

約数和(自身を含む): 516516000

約数和(自身を除く): 300193062

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 3354, 5031, 10062, 21499, 42998, 64497, 128994, 193491, 279487, 386982, 558974, 838461, 924457, 1676922, 1848914, 2515383, 2773371, 5030766, 5546742, 8320113, 12017941, 16640226, 24035882, 36053823, 72107646, 108161469, 216322938]

約数ペア:

[(1, 216322938), (2, 108161469), (3, 72107646), (6, 36053823), (9, 24035882), (13, 16640226), (18, 12017941), (26, 8320113), (39, 5546742), (43, 5030766), (78, 2773371), (86, 2515383), (117, 1848914), (129, 1676922), (234, 924457), (258, 838461), (387, 558974), (559, 386982), (774, 279487), (1118, 193491), (1677, 128994), (3354, 64497), (5031, 42998), (10062, 21499)]