55780718

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 104755200

約数和(自身を除く): 48974482

約数列:

[1, 2, 7, 14, 31, 43, 49, 61, 62, 86, 98, 122, 217, 301, 343, 427, 434, 602, 686, 854, 1333, 1519, 1891, 2107, 2623, 2666, 2989, 3038, 3782, 4214, 5246, 5978, 9331, 10633, 13237, 14749, 18361, 18662, 20923, 21266, 26474, 29498, 36722, 41846, 65317, 81313, 92659, 128527, 130634, 162626, 185318, 257054, 457219, 569191, 648613, 899689, 914438, 1138382, 1297226, 1799378, 3984337, 7968674, 27890359, 55780718]

約数ペア:

[(1, 55780718), (2, 27890359), (7, 7968674), (14, 3984337), (31, 1799378), (43, 1297226), (49, 1138382), (61, 914438), (62, 899689), (86, 648613), (98, 569191), (122, 457219), (217, 257054), (301, 185318), (343, 162626), (427, 130634), (434, 128527), (602, 92659), (686, 81313), (854, 65317), (1333, 41846), (1519, 36722), (1891, 29498), (2107, 26474), (2623, 21266), (2666, 20923), (2989, 18662), (3038, 18361), (3782, 14749), (4214, 13237), (5246, 10633), (5978, 9331)]