664698545273

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{20023}}^1\times {\mathrm{206191}}^1$

素因数の和:226244

約数の個数: 16

約数和(自身を含む): 792727412736

約数和(自身を除く): 128028867463

約数列:

[1, 7, 23, 161, 20023, 140161, 206191, 460529, 1443337, 3223703, 4742393, 33196751, 4128562393, 28899936751, 94956935039, 664698545273]

約数ペア:

[(1, 664698545273), (7, 94956935039), (23, 28899936751), (161, 4128562393), (20023, 33196751), (140161, 4742393), (206191, 3223703), (460529, 1443337)]