138156530

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 252160128

約数和(自身を除く): 114003598

約数列:

[1, 2, 5, 10, 131, 262, 263, 401, 526, 655, 802, 1310, 1315, 2005, 2630, 4010, 34453, 52531, 68906, 105062, 105463, 172265, 210926, 262655, 344530, 525310, 527315, 1054630, 13815653, 27631306, 69078265, 138156530]

約数ペア:

[(1, 138156530), (2, 69078265), (5, 27631306), (10, 13815653), (131, 1054630), (262, 527315), (263, 525310), (401, 344530), (526, 262655), (655, 210926), (802, 172265), (1310, 105463), (1315, 105062), (2005, 68906), (2630, 52531), (4010, 34453)]