557556805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{683}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 760717440

約数和(自身を除く): 203160635

約数列:

[1, 5, 13, 19, 65, 95, 247, 661, 683, 1235, 3305, 3415, 8593, 8879, 12559, 12977, 42965, 44395, 62795, 64885, 163267, 168701, 451463, 816335, 843505, 2257315, 5869019, 8577797, 29345095, 42888985, 111511361, 557556805]

約数ペア:

[(1, 557556805), (5, 111511361), (13, 42888985), (19, 29345095), (65, 8577797), (95, 5869019), (247, 2257315), (661, 843505), (683, 816335), (1235, 451463), (3305, 168701), (3415, 163267), (8593, 64885), (8879, 62795), (12559, 44395), (12977, 42965)]