1219918655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{60859}}^1$

素因数の和:61094

約数の個数: 16

約数和(自身を含む): 1548278400

約数和(自身を除く): 328359745

約数列:

[1, 5, 19, 95, 211, 1055, 4009, 20045, 60859, 304295, 1156321, 5781605, 12841249, 64206245, 243983731, 1219918655]

約数ペア:

[(1, 1219918655), (5, 243983731), (19, 64206245), (95, 12841249), (211, 5781605), (1055, 1156321), (4009, 304295), (20045, 60859)]