172357475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1321}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 227204208

約数和(自身を除く): 54846733

約数列:

[1, 5, 17, 25, 85, 307, 425, 1321, 1535, 5219, 6605, 7675, 22457, 26095, 33025, 112285, 130475, 405547, 561425, 2027735, 6894299, 10138675, 34471495, 172357475]

約数ペア:

[(1, 172357475), (5, 34471495), (17, 10138675), (25, 6894299), (85, 2027735), (307, 561425), (425, 405547), (1321, 130475), (1535, 112285), (5219, 33025), (6605, 26095), (7675, 22457)]