393439488

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 1139374656

約数和(自身を除く): 745935168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 157, 192, 208, 251, 256, 312, 314, 384, 416, 471, 502, 624, 628, 753, 768, 832, 942, 1004, 1248, 1256, 1506, 1664, 1884, 2008, 2041, 2496, 2512, 3012, 3263, 3328, 3768, 4016, 4082, 4992, 5024, 6024, 6123, 6526, 7536, 8032, 8164, 9789, 9984, 10048, 12048, 12246, 13052, 15072, 16064, 16328, 19578, 20096, 24096, 24492, 26104, 30144, 32128, 32656, 39156, 39407, 40192, 48192, 48984, 52208, 60288, 64256, 65312, 78312, 78814, 96384, 97968, 104416, 118221, 120576, 130624, 156624, 157628, 192768, 195936, 208832, 236442, 261248, 313248, 315256, 391872, 417664, 472884, 512291, 522496, 626496, 630512, 783744, 835328, 945768, 1024582, 1252992, 1261024, 1536873, 1567488, 1891536, 2049164, 2505984, 2522048, 3073746, 3783072, 4098328, 5044096, 6147492, 7566144, 8196656, 10088192, 12294984, 15132288, 16393312, 24589968, 30264576, 32786624, 49179936, 65573248, 98359872, 131146496, 196719744, 393439488]

約数ペア:

[(1, 393439488), (2, 196719744), (3, 131146496), (4, 98359872), (6, 65573248), (8, 49179936), (12, 32786624), (13, 30264576), (16, 24589968), (24, 16393312), (26, 15132288), (32, 12294984), (39, 10088192), (48, 8196656), (52, 7566144), (64, 6147492), (78, 5044096), (96, 4098328), (104, 3783072), (128, 3073746), (156, 2522048), (157, 2505984), (192, 2049164), (208, 1891536), (251, 1567488), (256, 1536873), (312, 1261024), (314, 1252992), (384, 1024582), (416, 945768), (471, 835328), (502, 783744), (624, 630512), (628, 626496), (753, 522496), (768, 512291), (832, 472884), (942, 417664), (1004, 391872), (1248, 315256), (1256, 313248), (1506, 261248), (1664, 236442), (1884, 208832), (2008, 195936), (2041, 192768), (2496, 157628), (2512, 156624), (3012, 130624), (3263, 120576), (3328, 118221), (3768, 104416), (4016, 97968), (4082, 96384), (4992, 78814), (5024, 78312), (6024, 65312), (6123, 64256), (6526, 60288), (7536, 52208), (8032, 48984), (8164, 48192), (9789, 40192), (9984, 39407), (10048, 39156), (12048, 32656), (12246, 32128), (13052, 30144), (15072, 26104), (16064, 24492), (16328, 24096), (19578, 20096)]