309786230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{12347}}^1$

素因数の和:12560

約数の個数: 32

約数和(自身を含む): 603669024

約数和(自身を除く): 293882794

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 12347, 12545, 24694, 25090, 61735, 123470, 160511, 321022, 802555, 1605110, 2382971, 4765942, 11914855, 23829710, 30978623, 61957246, 154893115, 309786230]

約数ペア:

[(1, 309786230), (2, 154893115), (5, 61957246), (10, 30978623), (13, 23829710), (26, 11914855), (65, 4765942), (130, 2382971), (193, 1605110), (386, 802555), (965, 321022), (1930, 160511), (2509, 123470), (5018, 61735), (12347, 25090), (12545, 24694)]