187999336

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{21383}}^1$

素因数の和:21553

約数の個数: 32

約数和(自身を含む): 405440640

約数和(自身を除く): 217441304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 21383, 42766, 85532, 149681, 171064, 299362, 598724, 1197448, 3357131, 6714262, 13428524, 23499917, 26857048, 46999834, 93999668, 187999336]

約数ペア:

[(1, 187999336), (2, 93999668), (4, 46999834), (7, 26857048), (8, 23499917), (14, 13428524), (28, 6714262), (56, 3357131), (157, 1197448), (314, 598724), (628, 299362), (1099, 171064), (1256, 149681), (2198, 85532), (4396, 42766), (8792, 21383)]