311926458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20887}}^1$

素因数の和:21042

約数の個数: 32

約数和(自身を含む): 661731840

約数和(自身を除く): 349805382

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 131, 262, 393, 786, 2489, 4978, 7467, 14934, 20887, 41774, 62661, 125322, 396853, 793706, 1190559, 2381118, 2736197, 5472394, 8208591, 16417182, 51987743, 103975486, 155963229, 311926458]

約数ペア:

[(1, 311926458), (2, 155963229), (3, 103975486), (6, 51987743), (19, 16417182), (38, 8208591), (57, 5472394), (114, 2736197), (131, 2381118), (262, 1190559), (393, 793706), (786, 396853), (2489, 125322), (4978, 62661), (7467, 41774), (14934, 20887)]