247484405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 379814400

約数和(自身を除く): 132329995

約数列:

[1, 5, 7, 19, 29, 35, 41, 95, 133, 145, 203, 205, 287, 313, 551, 665, 779, 1015, 1189, 1435, 1565, 2191, 2755, 3857, 3895, 5453, 5945, 5947, 8323, 9077, 10955, 12833, 19285, 22591, 27265, 29735, 41615, 41629, 45385, 63539, 64165, 89831, 112955, 158137, 172463, 208145, 243827, 317695, 372157, 449155, 790685, 862315, 1207241, 1219135, 1706789, 1860785, 2605099, 6036205, 7070983, 8533945, 13025495, 35354915, 49496881, 247484405]

約数ペア:

[(1, 247484405), (5, 49496881), (7, 35354915), (19, 13025495), (29, 8533945), (35, 7070983), (41, 6036205), (95, 2605099), (133, 1860785), (145, 1706789), (203, 1219135), (205, 1207241), (287, 862315), (313, 790685), (551, 449155), (665, 372157), (779, 317695), (1015, 243827), (1189, 208145), (1435, 172463), (1565, 158137), (2191, 112955), (2755, 89831), (3857, 64165), (3895, 63539), (5453, 45385), (5945, 41629), (5947, 41615), (8323, 29735), (9077, 27265), (10955, 22591), (12833, 19285)]