64278292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 139708800

約数和(自身を除く): 75430508

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 43, 52, 68, 76, 86, 89, 172, 178, 221, 247, 323, 356, 442, 494, 559, 646, 731, 817, 884, 988, 1118, 1157, 1292, 1462, 1513, 1634, 1691, 2236, 2314, 2924, 3026, 3268, 3382, 3827, 4199, 4628, 6052, 6764, 7654, 8398, 9503, 10621, 13889, 15308, 16796, 19006, 19669, 21242, 21983, 27778, 28747, 38012, 39338, 42484, 43966, 49751, 55556, 57494, 65059, 72713, 78676, 87932, 99502, 114988, 130118, 145426, 180557, 199004, 260236, 290852, 361114, 373711, 722228, 747422, 845767, 945269, 1236121, 1494844, 1691534, 1890538, 2472242, 3383068, 3781076, 4944484, 16069573, 32139146, 64278292]

約数ペア:

[(1, 64278292), (2, 32139146), (4, 16069573), (13, 4944484), (17, 3781076), (19, 3383068), (26, 2472242), (34, 1890538), (38, 1691534), (43, 1494844), (52, 1236121), (68, 945269), (76, 845767), (86, 747422), (89, 722228), (172, 373711), (178, 361114), (221, 290852), (247, 260236), (323, 199004), (356, 180557), (442, 145426), (494, 130118), (559, 114988), (646, 99502), (731, 87932), (817, 78676), (884, 72713), (988, 65059), (1118, 57494), (1157, 55556), (1292, 49751), (1462, 43966), (1513, 42484), (1634, 39338), (1691, 38012), (2236, 28747), (2314, 27778), (2924, 21983), (3026, 21242), (3268, 19669), (3382, 19006), (3827, 16796), (4199, 15308), (4628, 13889), (6052, 10621), (6764, 9503), (7654, 8398)]