253949696

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 144

約数和(自身を含む): 681289728

約数和(自身を除く): 427340032

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 128, 143, 154, 176, 182, 208, 224, 256, 286, 308, 352, 364, 416, 448, 572, 616, 704, 728, 832, 896, 991, 1001, 1144, 1232, 1408, 1456, 1664, 1792, 1982, 2002, 2288, 2464, 2816, 2912, 3328, 3964, 4004, 4576, 4928, 5824, 6937, 7928, 8008, 9152, 9856, 10901, 11648, 12883, 13874, 15856, 16016, 18304, 19712, 21802, 23296, 25766, 27748, 31712, 32032, 36608, 43604, 51532, 55496, 63424, 64064, 76307, 87208, 90181, 103064, 110992, 126848, 128128, 141713, 152614, 174416, 180362, 206128, 221984, 253696, 256256, 283426, 305228, 348832, 360724, 412256, 443968, 566852, 610456, 697664, 721448, 824512, 887936, 991991, 1133704, 1220912, 1395328, 1442896, 1649024, 1775872, 1983982, 2267408, 2441824, 2790656, 2885792, 3298048, 3967964, 4534816, 4883648, 5771584, 7935928, 9069632, 9767296, 11543168, 15871856, 18139264, 19534592, 23086336, 31743712, 36278528, 63487424, 126974848, 253949696]

約数ペア:

[(1, 253949696), (2, 126974848), (4, 63487424), (7, 36278528), (8, 31743712), (11, 23086336), (13, 19534592), (14, 18139264), (16, 15871856), (22, 11543168), (26, 9767296), (28, 9069632), (32, 7935928), (44, 5771584), (52, 4883648), (56, 4534816), (64, 3967964), (77, 3298048), (88, 2885792), (91, 2790656), (104, 2441824), (112, 2267408), (128, 1983982), (143, 1775872), (154, 1649024), (176, 1442896), (182, 1395328), (208, 1220912), (224, 1133704), (256, 991991), (286, 887936), (308, 824512), (352, 721448), (364, 697664), (416, 610456), (448, 566852), (572, 443968), (616, 412256), (704, 360724), (728, 348832), (832, 305228), (896, 283426), (991, 256256), (1001, 253696), (1144, 221984), (1232, 206128), (1408, 180362), (1456, 174416), (1664, 152614), (1792, 141713), (1982, 128128), (2002, 126848), (2288, 110992), (2464, 103064), (2816, 90181), (2912, 87208), (3328, 76307), (3964, 64064), (4004, 63424), (4576, 55496), (4928, 51532), (5824, 43604), (6937, 36608), (7928, 32032), (8008, 31712), (9152, 27748), (9856, 25766), (10901, 23296), (11648, 21802), (12883, 19712), (13874, 18304), (15856, 16016)]