253991582

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 449064000

約数和(自身を除く): 195072418

約数列:

[1, 2, 13, 19, 26, 38, 53, 89, 106, 109, 178, 218, 247, 494, 689, 1007, 1157, 1378, 1417, 1691, 2014, 2071, 2314, 2834, 3382, 4142, 4717, 5777, 9434, 9701, 11554, 13091, 19402, 21983, 26182, 26923, 43966, 53846, 61321, 75101, 89623, 109763, 122642, 126113, 150202, 179246, 184319, 219526, 252226, 368638, 514153, 1028306, 1165099, 1426919, 2330198, 2396147, 2853838, 4792294, 6683989, 9768907, 13367978, 19537814, 126995791, 253991582]

約数ペア:

[(1, 253991582), (2, 126995791), (13, 19537814), (19, 13367978), (26, 9768907), (38, 6683989), (53, 4792294), (89, 2853838), (106, 2396147), (109, 2330198), (178, 1426919), (218, 1165099), (247, 1028306), (494, 514153), (689, 368638), (1007, 252226), (1157, 219526), (1378, 184319), (1417, 179246), (1691, 150202), (2014, 126113), (2071, 122642), (2314, 109763), (2834, 89623), (3382, 75101), (4142, 61321), (4717, 53846), (5777, 43966), (9434, 26923), (9701, 26182), (11554, 21983), (13091, 19402)]