51221804

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 90804000

約数和(自身を除く): 39582196

約数列:

[1, 2, 4, 199, 229, 281, 398, 458, 562, 796, 916, 1124, 45571, 55919, 64349, 91142, 111838, 128698, 182284, 223676, 257396, 12805451, 25610902, 51221804]

約数ペア:

[(1, 51221804), (2, 25610902), (4, 12805451), (199, 257396), (229, 223676), (281, 182284), (398, 128698), (458, 111838), (562, 91142), (796, 64349), (916, 55919), (1124, 45571)]