291209545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2087}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 396887040

約数和(自身を除く): 105677495

約数列:

[1, 5, 11, 43, 55, 59, 215, 295, 473, 649, 2087, 2365, 2537, 3245, 10435, 12685, 22957, 27907, 89741, 114785, 123133, 139535, 448705, 615665, 987151, 1354463, 4935755, 5294719, 6772315, 26473595, 58241909, 291209545]

約数ペア:

[(1, 291209545), (5, 58241909), (11, 26473595), (43, 6772315), (55, 5294719), (59, 4935755), (215, 1354463), (295, 987151), (473, 615665), (649, 448705), (2087, 139535), (2365, 123133), (2537, 114785), (3245, 89741), (10435, 27907), (12685, 22957)]