161258260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{474289}}^1$

素因数の和:474315

約数の個数: 24

約数和(自身を含む): 358563240

約数和(自身を除く): 197304980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 474289, 948578, 1897156, 2371445, 4742890, 8062913, 9485780, 16125826, 32251652, 40314565, 80629130, 161258260]

約数ペア:

[(1, 161258260), (2, 80629130), (4, 40314565), (5, 32251652), (10, 16125826), (17, 9485780), (20, 8062913), (34, 4742890), (68, 2371445), (85, 1897156), (170, 948578), (340, 474289)]