131305772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{12689}}^1$

素因数の和:12905

約数の個数: 24

約数和(自身を含む): 248724000

約数和(自身を除く): 117418228

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2587, 5174, 10348, 12689, 25378, 50756, 164957, 329914, 659828, 2525111, 5050222, 10100444, 32826443, 65652886, 131305772]

約数ペア:

[(1, 131305772), (2, 65652886), (4, 32826443), (13, 10100444), (26, 5050222), (52, 2525111), (199, 659828), (398, 329914), (796, 164957), (2587, 50756), (5174, 25378), (10348, 12689)]