399610993

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 449153280

約数和(自身を除く): 49542287

約数列:

[1, 17, 23, 79, 289, 391, 761, 1343, 1817, 6647, 12937, 17503, 22831, 30889, 60119, 219929, 297551, 525113, 1022023, 1382737, 5058367, 17374391, 23506529, 399610993]

約数ペア:

[(1, 399610993), (17, 23506529), (23, 17374391), (79, 5058367), (289, 1382737), (391, 1022023), (761, 525113), (1343, 297551), (1817, 219929), (6647, 60119), (12937, 30889), (17503, 22831)]