890457964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{86857}}^1$

素因数の和:87105

約数の個数: 24

約数和(自身を含む): 1707280848

約数和(自身を除く): 816822884

約数列:

[1, 2, 4, 11, 22, 44, 233, 466, 932, 2563, 5126, 10252, 86857, 173714, 347428, 955427, 1910854, 3821708, 20237681, 40475362, 80950724, 222614491, 445228982, 890457964]

約数ペア:

[(1, 890457964), (2, 445228982), (4, 222614491), (11, 80950724), (22, 40475362), (44, 20237681), (233, 3821708), (466, 1910854), (932, 955427), (2563, 347428), (5126, 173714), (10252, 86857)]