397394068

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{230507}}^1$

素因数の和:230942

約数の個数: 12

約数和(自身を含む): 697056192

約数和(自身を除く): 299662124

約数列:

[1, 2, 4, 431, 862, 1724, 230507, 461014, 922028, 99348517, 198697034, 397394068]

約数ペア:

[(1, 397394068), (2, 198697034), (4, 99348517), (431, 922028), (862, 461014), (1724, 230507)]