128520136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 268894080

約数和(自身を除く): 140373944

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 181, 184, 227, 362, 391, 454, 724, 782, 908, 1448, 1564, 1816, 3077, 3128, 3859, 4163, 5221, 6154, 7718, 8326, 10442, 12308, 15436, 16652, 20884, 24616, 30872, 33304, 41087, 41768, 70771, 82174, 88757, 141542, 164348, 177514, 283084, 328696, 355028, 566168, 698479, 710056, 945001, 1396958, 1890002, 2793916, 3780004, 5587832, 7560008, 16065017, 32130034, 64260068, 128520136]

約数ペア:

[(1, 128520136), (2, 64260068), (4, 32130034), (8, 16065017), (17, 7560008), (23, 5587832), (34, 3780004), (46, 2793916), (68, 1890002), (92, 1396958), (136, 945001), (181, 710056), (184, 698479), (227, 566168), (362, 355028), (391, 328696), (454, 283084), (724, 177514), (782, 164348), (908, 141542), (1448, 88757), (1564, 82174), (1816, 70771), (3077, 41768), (3128, 41087), (3859, 33304), (4163, 30872), (5221, 24616), (6154, 20884), (7718, 16652), (8326, 15436), (10442, 12308)]