638403962

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{23887}}^1$

素因数の和:24002

約数の個数: 32

約数和(自身を含む): 1155796992

約数和(自身を除く): 517393030

約数列:

[1, 2, 7, 14, 23, 46, 83, 161, 166, 322, 581, 1162, 1909, 3818, 13363, 23887, 26726, 47774, 167209, 334418, 549401, 1098802, 1982621, 3845807, 3965242, 7691614, 13878347, 27756694, 45600283, 91200566, 319201981, 638403962]

約数ペア:

[(1, 638403962), (2, 319201981), (7, 91200566), (14, 45600283), (23, 27756694), (46, 13878347), (83, 7691614), (161, 3965242), (166, 3845807), (322, 1982621), (581, 1098802), (1162, 549401), (1909, 334418), (3818, 167209), (13363, 47774), (23887, 26726)]