494586

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 40

約数和(自身を含む): 1149984

約数和(自身を除く): 655398

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 71, 81, 86, 129, 142, 162, 213, 258, 387, 426, 639, 774, 1161, 1278, 1917, 2322, 3053, 3483, 3834, 5751, 6106, 6966, 9159, 11502, 18318, 27477, 54954, 82431, 164862, 247293, 494586]

約数ペア:

[(1, 494586), (2, 247293), (3, 164862), (6, 82431), (9, 54954), (18, 27477), (27, 18318), (43, 11502), (54, 9159), (71, 6966), (81, 6106), (86, 5751), (129, 3834), (142, 3483), (162, 3053), (213, 2322), (258, 1917), (387, 1278), (426, 1161), (639, 774)]