99990004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{806371}}^1$

素因数の和:806406

約数の個数: 12

約数和(自身を含む): 180627328

約数和(自身を除く): 80637324

約数列:

[1, 2, 4, 31, 62, 124, 806371, 1612742, 3225484, 24997501, 49995002, 99990004]

約数ペア:

[(1, 99990004), (2, 49995002), (4, 24997501), (31, 3225484), (62, 1612742), (124, 806371)]