99991730

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{63689}}^1$

素因数の和:63853

約数の個数: 16

約数和(自身を含む): 181134360

約数和(自身を除く): 81142630

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 63689, 127378, 318445, 636890, 9999173, 19998346, 49995865, 99991730]

約数ペア:

[(1, 99991730), (2, 49995865), (5, 19998346), (10, 9999173), (157, 636890), (314, 318445), (785, 127378), (1570, 63689)]