81858014776

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{1009}}^1\times {\mathrm{20161}}^1$

素因数の和:21679

約数の個数: 32

約数和(自身を含む): 153948967200

約数和(自身を除く): 72090952424

約数列:

[1, 2, 4, 8, 503, 1006, 1009, 2012, 2018, 4024, 4036, 8072, 20161, 40322, 80644, 161288, 507527, 1015054, 2030108, 4060216, 10140983, 20281966, 20342449, 40563932, 40684898, 81127864, 81369796, 162739592, 10232251847, 20464503694, 40929007388, 81858014776]

約数ペア:

[(1, 81858014776), (2, 40929007388), (4, 20464503694), (8, 10232251847), (503, 162739592), (1006, 81369796), (1009, 81127864), (2012, 40684898), (2018, 40563932), (4024, 20342449), (4036, 20281966), (8072, 10140983), (20161, 4060216), (40322, 2030108), (80644, 1015054), (161288, 507527)]