78895012

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 161175168

約数和(自身を除く): 82280156

約数列:

[1, 2, 4, 7, 14, 28, 131, 137, 157, 262, 274, 314, 524, 548, 628, 917, 959, 1099, 1834, 1918, 2198, 3668, 3836, 4396, 17947, 20567, 21509, 35894, 41134, 43018, 71788, 82268, 86036, 125629, 143969, 150563, 251258, 287938, 301126, 502516, 575876, 602252, 2817679, 5635358, 11270716, 19723753, 39447506, 78895012]

約数ペア:

[(1, 78895012), (2, 39447506), (4, 19723753), (7, 11270716), (14, 5635358), (28, 2817679), (131, 602252), (137, 575876), (157, 502516), (262, 301126), (274, 287938), (314, 251258), (524, 150563), (548, 143969), (628, 125629), (917, 86036), (959, 82268), (1099, 71788), (1834, 43018), (1918, 41134), (2198, 35894), (3668, 21509), (3836, 20567), (4396, 17947)]