864637921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{67021}}^1$

素因数の和:67144

約数の個数: 16

約数和(自身を含む): 1050904960

約数和(自身を除く): 186267039

約数列:

[1, 7, 19, 97, 133, 679, 1843, 12901, 67021, 469147, 1273399, 6501037, 8913793, 45507259, 123519703, 864637921]

約数ペア:

[(1, 864637921), (7, 123519703), (19, 45507259), (97, 8913793), (133, 6501037), (679, 1273399), (1843, 469147), (12901, 67021)]