261582464

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 633346560

約数和(自身を除く): 371764096

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 128, 143, 176, 208, 248, 286, 341, 352, 403, 416, 461, 496, 572, 682, 704, 806, 832, 922, 992, 1144, 1364, 1408, 1612, 1664, 1844, 1984, 2288, 2728, 3224, 3688, 3968, 4433, 4576, 5071, 5456, 5993, 6448, 7376, 8866, 9152, 10142, 10912, 11986, 12896, 14291, 14752, 17732, 18304, 20284, 21824, 23972, 25792, 28582, 29504, 35464, 40568, 43648, 47944, 51584, 57164, 59008, 65923, 70928, 81136, 95888, 114328, 131846, 141856, 157201, 162272, 185783, 191776, 228656, 263692, 283712, 314402, 324544, 371566, 383552, 457312, 527384, 567424, 628804, 649088, 743132, 767104, 914624, 1054768, 1257608, 1486264, 1829248, 2043613, 2109536, 2515216, 2972528, 4087226, 4219072, 5030432, 5945056, 8174452, 8438144, 10060864, 11890112, 16348904, 20121728, 23780224, 32697808, 65395616, 130791232, 261582464]

約数ペア:

[(1, 261582464), (2, 130791232), (4, 65395616), (8, 32697808), (11, 23780224), (13, 20121728), (16, 16348904), (22, 11890112), (26, 10060864), (31, 8438144), (32, 8174452), (44, 5945056), (52, 5030432), (62, 4219072), (64, 4087226), (88, 2972528), (104, 2515216), (124, 2109536), (128, 2043613), (143, 1829248), (176, 1486264), (208, 1257608), (248, 1054768), (286, 914624), (341, 767104), (352, 743132), (403, 649088), (416, 628804), (461, 567424), (496, 527384), (572, 457312), (682, 383552), (704, 371566), (806, 324544), (832, 314402), (922, 283712), (992, 263692), (1144, 228656), (1364, 191776), (1408, 185783), (1612, 162272), (1664, 157201), (1844, 141856), (1984, 131846), (2288, 114328), (2728, 95888), (3224, 81136), (3688, 70928), (3968, 65923), (4433, 59008), (4576, 57164), (5071, 51584), (5456, 47944), (5993, 43648), (6448, 40568), (7376, 35464), (8866, 29504), (9152, 28582), (10142, 25792), (10912, 23972), (11986, 21824), (12896, 20284), (14291, 18304), (14752, 17732)]