256736312

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4512

約数の個数: 64

約数和(自身を含む): 592194240

約数和(自身を除く): 335457928

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 136, 238, 244, 427, 476, 488, 854, 952, 1037, 1708, 2074, 3416, 4148, 4421, 7259, 8296, 8842, 14518, 17684, 29036, 30947, 35368, 58072, 61894, 75157, 123788, 150314, 247576, 269681, 300628, 526099, 539362, 601256, 1052198, 1078724, 1887767, 2104396, 2157448, 3775534, 4208792, 4584577, 7551068, 9169154, 15102136, 18338308, 32092039, 36676616, 64184078, 128368156, 256736312]

約数ペア:

[(1, 256736312), (2, 128368156), (4, 64184078), (7, 36676616), (8, 32092039), (14, 18338308), (17, 15102136), (28, 9169154), (34, 7551068), (56, 4584577), (61, 4208792), (68, 3775534), (119, 2157448), (122, 2104396), (136, 1887767), (238, 1078724), (244, 1052198), (427, 601256), (476, 539362), (488, 526099), (854, 300628), (952, 269681), (1037, 247576), (1708, 150314), (2074, 123788), (3416, 75157), (4148, 61894), (4421, 58072), (7259, 35368), (8296, 30947), (8842, 29036), (14518, 17684)]