256993120512

素因数分解:

$2^8\times 3^2\times {\mathrm{647}}^1\times {\mathrm{172399}}^1$

素因数の和:173068

約数の個数: 108

約数和(自身を含む): 742124073600

約数和(自身を除く): 485130953088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 647, 768, 1152, 1294, 1941, 2304, 2588, 3882, 5176, 5823, 7764, 10352, 11646, 15528, 20704, 23292, 31056, 41408, 46584, 62112, 82816, 93168, 124224, 165632, 172399, 186336, 248448, 344798, 372672, 496896, 517197, 689596, 745344, 1034394, 1379192, 1490688, 1551591, 2068788, 2758384, 3103182, 4137576, 5516768, 6206364, 8275152, 11033536, 12412728, 16550304, 22067072, 24825456, 33100608, 44134144, 49650912, 66201216, 99301824, 111542153, 132402432, 198603648, 223084306, 334626459, 397207296, 446168612, 669252918, 892337224, 1003879377, 1338505836, 1784674448, 2007758754, 2677011672, 3569348896, 4015517508, 5354023344, 7138697792, 8031035016, 10708046688, 14277395584, 16062070032, 21416093376, 28554791168, 32124140064, 42832186752, 64248280128, 85664373504, 128496560256, 256993120512]

約数ペア:

[(1, 256993120512), (2, 128496560256), (3, 85664373504), (4, 64248280128), (6, 42832186752), (8, 32124140064), (9, 28554791168), (12, 21416093376), (16, 16062070032), (18, 14277395584), (24, 10708046688), (32, 8031035016), (36, 7138697792), (48, 5354023344), (64, 4015517508), (72, 3569348896), (96, 2677011672), (128, 2007758754), (144, 1784674448), (192, 1338505836), (256, 1003879377), (288, 892337224), (384, 669252918), (576, 446168612), (647, 397207296), (768, 334626459), (1152, 223084306), (1294, 198603648), (1941, 132402432), (2304, 111542153), (2588, 99301824), (3882, 66201216), (5176, 49650912), (5823, 44134144), (7764, 33100608), (10352, 24825456), (11646, 22067072), (15528, 16550304), (20704, 12412728), (23292, 11033536), (31056, 8275152), (41408, 6206364), (46584, 5516768), (62112, 4137576), (82816, 3103182), (93168, 2758384), (124224, 2068788), (165632, 1551591), (172399, 1490688), (186336, 1379192), (248448, 1034394), (344798, 745344), (372672, 689596), (496896, 517197)]