217731618

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7213}}^1$

素因数の和:7280

約数の個数: 64

約数和(自身を含む): 533258880

約数和(自身を除く): 315527262

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 702, 774, 1118, 1161, 1677, 2322, 3354, 5031, 7213, 10062, 14426, 15093, 21639, 30186, 43278, 64917, 93769, 129834, 187538, 194751, 281307, 310159, 389502, 562614, 620318, 843921, 930477, 1687842, 1860954, 2531763, 2791431, 4032067, 5063526, 5582862, 8064134, 8374293, 12096201, 16748586, 24192402, 36288603, 72577206, 108865809, 217731618]

約数ペア:

[(1, 217731618), (2, 108865809), (3, 72577206), (6, 36288603), (9, 24192402), (13, 16748586), (18, 12096201), (26, 8374293), (27, 8064134), (39, 5582862), (43, 5063526), (54, 4032067), (78, 2791431), (86, 2531763), (117, 1860954), (129, 1687842), (234, 930477), (258, 843921), (351, 620318), (387, 562614), (559, 389502), (702, 310159), (774, 281307), (1118, 194751), (1161, 187538), (1677, 129834), (2322, 93769), (3354, 64917), (5031, 43278), (7213, 30186), (10062, 21639), (14426, 15093)]