1291671898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{143551}}^1$

素因数の和:143973

約数の個数: 16

約数和(自身を含む): 2118827520

約数和(自身を除く): 827155622

約数列:

[1, 2, 11, 22, 409, 818, 4499, 8998, 143551, 287102, 1579061, 3158122, 58712359, 117424718, 645835949, 1291671898]

約数ペア:

[(1, 1291671898), (2, 645835949), (11, 117424718), (22, 58712359), (409, 3158122), (818, 1579061), (4499, 287102), (8998, 143551)]