77970475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1009}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 105953040

約数和(自身を除く): 27982565

約数列:

[1, 5, 11, 25, 55, 275, 281, 1009, 1405, 3091, 5045, 7025, 11099, 15455, 25225, 55495, 77275, 277475, 283529, 1417645, 3118819, 7088225, 15594095, 77970475]

約数ペア:

[(1, 77970475), (5, 15594095), (11, 7088225), (25, 3118819), (55, 1417645), (275, 283529), (281, 277475), (1009, 77275), (1405, 55495), (3091, 25225), (5045, 15455), (7025, 11099)]