2005657686

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{287921}}^1$

素因数の和:287978

約数の個数: 40

約数和(自身を含む): 4598690184

約数和(自身を除く): 2593032498

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 3483, 6966, 287921, 575842, 863763, 1727526, 2591289, 5182578, 7773867, 12380603, 15547734, 23321601, 24761206, 37141809, 46643202, 74283618, 111425427, 222850854, 334276281, 668552562, 1002828843, 2005657686]

約数ペア:

[(1, 2005657686), (2, 1002828843), (3, 668552562), (6, 334276281), (9, 222850854), (18, 111425427), (27, 74283618), (43, 46643202), (54, 37141809), (81, 24761206), (86, 23321601), (129, 15547734), (162, 12380603), (258, 7773867), (387, 5182578), (774, 2591289), (1161, 1727526), (2322, 863763), (3483, 575842), (6966, 287921)]