251988017152

素因数分解:

$2^{19}\times {\mathrm{239}}^1\times {\mathrm{2011}}^1$

素因数の和:2288

約数の個数: 80

約数和(自身を含む): 506335896000

約数和(自身を除く): 254347878848

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 478, 512, 956, 1024, 1912, 2011, 2048, 3824, 4022, 4096, 7648, 8044, 8192, 15296, 16088, 16384, 30592, 32176, 32768, 61184, 64352, 65536, 122368, 128704, 131072, 244736, 257408, 262144, 480629, 489472, 514816, 524288, 961258, 978944, 1029632, 1922516, 1957888, 2059264, 3845032, 3915776, 4118528, 7690064, 7831552, 8237056, 15380128, 15663104, 16474112, 30760256, 31326208, 32948224, 61520512, 62652416, 65896448, 123041024, 125304832, 131792896, 246082048, 263585792, 492164096, 527171584, 984328192, 1054343168, 1968656384, 3937312768, 7874625536, 15749251072, 31498502144, 62997004288, 125994008576, 251988017152]

約数ペア:

[(1, 251988017152), (2, 125994008576), (4, 62997004288), (8, 31498502144), (16, 15749251072), (32, 7874625536), (64, 3937312768), (128, 1968656384), (239, 1054343168), (256, 984328192), (478, 527171584), (512, 492164096), (956, 263585792), (1024, 246082048), (1912, 131792896), (2011, 125304832), (2048, 123041024), (3824, 65896448), (4022, 62652416), (4096, 61520512), (7648, 32948224), (8044, 31326208), (8192, 30760256), (15296, 16474112), (16088, 15663104), (16384, 15380128), (30592, 8237056), (32176, 7831552), (32768, 7690064), (61184, 4118528), (64352, 3915776), (65536, 3845032), (122368, 2059264), (128704, 1957888), (131072, 1922516), (244736, 1029632), (257408, 978944), (262144, 961258), (480629, 524288), (489472, 514816)]