804004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1512000

約数和(自身を除く): 707996

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 149, 284, 298, 596, 1349, 2698, 2831, 5396, 5662, 10579, 11324, 21158, 42316, 201001, 402002, 804004]

約数ペア:

[(1, 804004), (2, 402002), (4, 201001), (19, 42316), (38, 21158), (71, 11324), (76, 10579), (142, 5662), (149, 5396), (284, 2831), (298, 2698), (596, 1349)]