1288991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 16

約数和(自身を含む): 1526688

約数和(自身を除く): 237697

約数列:

[1, 11, 17, 61, 113, 187, 671, 1037, 1243, 1921, 6893, 11407, 21131, 75823, 117181, 1288991]

約数ペア:

[(1, 1288991), (11, 117181), (17, 75823), (61, 21131), (113, 11407), (187, 6893), (671, 1921), (1037, 1243)]