638953570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{11923}}^1$

素因数の和:12186

約数の個数: 32

約数和(自身を含む): 1205373312

約数和(自身を除く): 566419742

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 233, 466, 1165, 2330, 5359, 10718, 11923, 23846, 26795, 53590, 59615, 119230, 274229, 548458, 1371145, 2742290, 2778059, 5556118, 13890295, 27780590, 63895357, 127790714, 319476785, 638953570]

約数ペア:

[(1, 638953570), (2, 319476785), (5, 127790714), (10, 63895357), (23, 27780590), (46, 13890295), (115, 5556118), (230, 2778059), (233, 2742290), (466, 1371145), (1165, 548458), (2330, 274229), (5359, 119230), (10718, 59615), (11923, 53590), (23846, 26795)]