190016905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 71256695

約数列:

[1, 5, 13, 17, 65, 85, 221, 359, 479, 1105, 1795, 2395, 4667, 6103, 6227, 8143, 23335, 30515, 31135, 40715, 79339, 105859, 171961, 396695, 529295, 859805, 2235493, 2923337, 11177465, 14616685, 38003381, 190016905]

約数ペア:

[(1, 190016905), (5, 38003381), (13, 14616685), (17, 11177465), (65, 2923337), (85, 2235493), (221, 859805), (359, 529295), (479, 396695), (1105, 171961), (1795, 105859), (2395, 79339), (4667, 40715), (6103, 31135), (6227, 30515), (8143, 23335)]