681444

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:856

約数の個数: 36

約数和(自身を含む): 1799616

約数和(自身を除く): 1118172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 823, 828, 1646, 2469, 3292, 4938, 7407, 9876, 14814, 18929, 29628, 37858, 56787, 75716, 113574, 170361, 227148, 340722, 681444]

約数ペア:

[(1, 681444), (2, 340722), (3, 227148), (4, 170361), (6, 113574), (9, 75716), (12, 56787), (18, 37858), (23, 29628), (36, 18929), (46, 14814), (69, 9876), (92, 7407), (138, 4938), (207, 3292), (276, 2469), (414, 1646), (823, 828)]