16406705

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 23846400

約数和(自身を除く): 7439695

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 229, 445, 623, 805, 1145, 1603, 2047, 3115, 5267, 8015, 10235, 14329, 20381, 26335, 36869, 71645, 101905, 142667, 184345, 468763, 713335, 2343815, 3281341, 16406705]

約数ペア:

[(1, 16406705), (5, 3281341), (7, 2343815), (23, 713335), (35, 468763), (89, 184345), (115, 142667), (161, 101905), (229, 71645), (445, 36869), (623, 26335), (805, 20381), (1145, 14329), (1603, 10235), (2047, 8015), (3115, 5267)]