261782016

素因数分解:

$2^9\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1$

素因数の和:1453

約数の個数: 80

約数和(自身を含む): 703267488

約数和(自身を除く): 441485472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 384, 393, 512, 524, 768, 786, 1048, 1301, 1536, 1572, 2096, 2602, 3144, 3903, 4192, 5204, 6288, 7806, 8384, 10408, 12576, 15612, 16768, 20816, 25152, 31224, 33536, 41632, 50304, 62448, 67072, 83264, 100608, 124896, 166528, 170431, 201216, 249792, 333056, 340862, 499584, 511293, 666112, 681724, 999168, 1022586, 1363448, 1998336, 2045172, 2726896, 4090344, 5453792, 8180688, 10907584, 16361376, 21815168, 32722752, 43630336, 65445504, 87260672, 130891008, 261782016]

約数ペア:

[(1, 261782016), (2, 130891008), (3, 87260672), (4, 65445504), (6, 43630336), (8, 32722752), (12, 21815168), (16, 16361376), (24, 10907584), (32, 8180688), (48, 5453792), (64, 4090344), (96, 2726896), (128, 2045172), (131, 1998336), (192, 1363448), (256, 1022586), (262, 999168), (384, 681724), (393, 666112), (512, 511293), (524, 499584), (768, 340862), (786, 333056), (1048, 249792), (1301, 201216), (1536, 170431), (1572, 166528), (2096, 124896), (2602, 100608), (3144, 83264), (3903, 67072), (4192, 62448), (5204, 50304), (6288, 41632), (7806, 33536), (8384, 31224), (10408, 25152), (12576, 20816), (15612, 16768)]