199989959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{1019}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 222996480

約数和(自身を除く): 23006521

約数列:

[1, 13, 31, 403, 487, 1019, 6331, 13247, 15097, 31589, 196261, 410657, 496253, 6451289, 15383843, 199989959]

約数ペア:

[(1, 199989959), (13, 15383843), (31, 6451289), (403, 496253), (487, 410657), (1019, 196261), (6331, 31589), (13247, 15097)]