1277256565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{5167}}^1\times {\mathrm{3803}}^1$

素因数の和:8988

約数の個数: 16

約数和(自身を含む): 1651362048

約数和(自身を除く): 374105483

約数列:

[1, 5, 13, 65, 3803, 5167, 19015, 25835, 49439, 67171, 247195, 335855, 19650101, 98250505, 255451313, 1277256565]

約数ペア:

[(1, 1277256565), (5, 255451313), (13, 98250505), (65, 19650101), (3803, 335855), (5167, 247195), (19015, 67171), (25835, 49439)]