78391490

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 143533296

約数和(自身を除く): 65141806

約数列:

[1, 2, 5, 10, 113, 173, 226, 346, 401, 565, 802, 865, 1130, 1730, 2005, 4010, 19549, 39098, 45313, 69373, 90626, 97745, 138746, 195490, 226565, 346865, 453130, 693730, 7839149, 15678298, 39195745, 78391490]

約数ペア:

[(1, 78391490), (2, 39195745), (5, 15678298), (10, 7839149), (113, 693730), (173, 453130), (226, 346865), (346, 226565), (401, 195490), (565, 138746), (802, 97745), (865, 90626), (1130, 69373), (1730, 45313), (2005, 39098), (4010, 19549)]