1261882655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{27281}}^1$

素因数の和:27355

約数の個数: 24

約数和(自身を含む): 1710908784

約数和(自身を除く): 449026129

約数列:

[1, 5, 11, 29, 55, 145, 319, 841, 1595, 4205, 9251, 27281, 46255, 136405, 300091, 791149, 1500455, 3955745, 8702639, 22943321, 43513195, 114716605, 252376531, 1261882655]

約数ペア:

[(1, 1261882655), (5, 252376531), (11, 114716605), (29, 43513195), (55, 22943321), (145, 8702639), (319, 3955745), (841, 1500455), (1595, 791149), (4205, 300091), (9251, 136405), (27281, 46255)]