156987500155

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{69193}}^1$

素因数の和:69511

約数の個数: 32

約数和(自身を含む): 199477998720

約数和(自身を除く): 42490498565

約数列:

[1, 5, 23, 109, 115, 181, 545, 905, 2507, 4163, 12535, 19729, 20815, 69193, 98645, 345965, 453767, 1591439, 2268835, 7542037, 7957195, 12523933, 37710185, 62619665, 173466851, 288050459, 867334255, 1365108697, 1440252295, 6825543485, 31397500031, 156987500155]

約数ペア:

[(1, 156987500155), (5, 31397500031), (23, 6825543485), (109, 1440252295), (115, 1365108697), (181, 867334255), (545, 288050459), (905, 173466851), (2507, 62619665), (4163, 37710185), (12535, 12523933), (19729, 7957195), (20815, 7542037), (69193, 2268835), (98645, 1591439), (345965, 453767)]