55505555

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 84271104

約数和(自身を除く): 28765549

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 191, 361, 437, 665, 805, 955, 1337, 1805, 2185, 2527, 3059, 3629, 4393, 6685, 8303, 12635, 15295, 18145, 21965, 25403, 30751, 41515, 58121, 68951, 83467, 127015, 153755, 290605, 344755, 417335, 482657, 584269, 1585873, 2413285, 2921345, 7929365, 11101111, 55505555]

約数ペア:

[(1, 55505555), (5, 11101111), (7, 7929365), (19, 2921345), (23, 2413285), (35, 1585873), (95, 584269), (115, 482657), (133, 417335), (161, 344755), (191, 290605), (361, 153755), (437, 127015), (665, 83467), (805, 68951), (955, 58121), (1337, 41515), (1805, 30751), (2185, 25403), (2527, 21965), (3059, 18145), (3629, 15295), (4393, 12635), (6685, 8303)]