291257990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{2903}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 535265280

約数和(自身を除く): 244007290

約数列:

[1, 2, 5, 10, 79, 127, 158, 254, 395, 635, 790, 1270, 2903, 5806, 10033, 14515, 20066, 29030, 50165, 100330, 229337, 368681, 458674, 737362, 1146685, 1843405, 2293370, 3686810, 29125799, 58251598, 145628995, 291257990]

約数ペア:

[(1, 291257990), (2, 145628995), (5, 58251598), (10, 29125799), (79, 3686810), (127, 2293370), (158, 1843405), (254, 1146685), (395, 737362), (635, 458674), (790, 368681), (1270, 229337), (2903, 100330), (5806, 50165), (10033, 29030), (14515, 20066)]