261247063

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{22469}}^1$

素因数の和:22638

約数の個数: 16

約数和(自身を含む): 327882240

約数和(自身を除く): 66635177

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 11627, 22469, 157283, 247159, 1730113, 3392819, 23749733, 37321009, 261247063]

約数ペア:

[(1, 261247063), (7, 37321009), (11, 23749733), (77, 3392819), (151, 1730113), (1057, 247159), (1661, 157283), (11627, 22469)]