1999851665

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1\times {\mathrm{1301}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 2821319424

約数和(自身を除く): 821467759

約数列:

[1, 5, 7, 35, 37, 185, 259, 1187, 1295, 1301, 5935, 6505, 8309, 9107, 41545, 43919, 45535, 48137, 219595, 240685, 307433, 336959, 1537165, 1544287, 1684795, 7721435, 10810009, 54050045, 57138619, 285693095, 399970333, 1999851665]

約数ペア:

[(1, 1999851665), (5, 399970333), (7, 285693095), (35, 57138619), (37, 54050045), (185, 10810009), (259, 7721435), (1187, 1684795), (1295, 1544287), (1301, 1537165), (5935, 336959), (6505, 307433), (8309, 240685), (9107, 219595), (41545, 48137), (43919, 45535)]