128570915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 179366400

約数和(自身を除く): 50795485

約数列:

[1, 5, 11, 17, 55, 85, 187, 199, 691, 935, 995, 2189, 3383, 3455, 7601, 10945, 11747, 16915, 37213, 38005, 58735, 129217, 137509, 186065, 646085, 687545, 1512599, 2337653, 7562995, 11688265, 25714183, 128570915]

約数ペア:

[(1, 128570915), (5, 25714183), (11, 11688265), (17, 7562995), (55, 2337653), (85, 1512599), (187, 687545), (199, 646085), (691, 186065), (935, 137509), (995, 129217), (2189, 58735), (3383, 38005), (3455, 37213), (7601, 16915), (10945, 11747)]