261036776

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:955

約数の個数: 128

約数和(自身を含む): 675682560

約数和(自身を除く): 414645784

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 37, 44, 52, 56, 74, 77, 88, 91, 104, 143, 148, 154, 182, 259, 286, 296, 308, 364, 407, 481, 518, 572, 616, 728, 814, 881, 962, 1001, 1036, 1144, 1628, 1762, 1924, 2002, 2072, 2849, 3256, 3367, 3524, 3848, 4004, 5291, 5698, 6167, 6734, 7048, 8008, 9691, 10582, 11396, 11453, 12334, 13468, 19382, 21164, 22792, 22906, 24668, 26936, 32597, 37037, 38764, 42328, 45812, 49336, 65194, 67837, 74074, 77528, 80171, 91624, 125983, 130388, 135674, 148148, 160342, 228179, 251966, 260776, 271348, 296296, 320684, 358567, 423761, 456358, 503932, 542696, 641368, 717134, 847522, 881881, 912716, 1007864, 1434268, 1695044, 1763762, 1825432, 2509969, 2868536, 2966327, 3390088, 3527524, 4661371, 5019938, 5932654, 7055048, 9322742, 10039876, 11865308, 18645484, 20079752, 23730616, 32629597, 37290968, 65259194, 130518388, 261036776]

約数ペア:

[(1, 261036776), (2, 130518388), (4, 65259194), (7, 37290968), (8, 32629597), (11, 23730616), (13, 20079752), (14, 18645484), (22, 11865308), (26, 10039876), (28, 9322742), (37, 7055048), (44, 5932654), (52, 5019938), (56, 4661371), (74, 3527524), (77, 3390088), (88, 2966327), (91, 2868536), (104, 2509969), (143, 1825432), (148, 1763762), (154, 1695044), (182, 1434268), (259, 1007864), (286, 912716), (296, 881881), (308, 847522), (364, 717134), (407, 641368), (481, 542696), (518, 503932), (572, 456358), (616, 423761), (728, 358567), (814, 320684), (881, 296296), (962, 271348), (1001, 260776), (1036, 251966), (1144, 228179), (1628, 160342), (1762, 148148), (1924, 135674), (2002, 130388), (2072, 125983), (2849, 91624), (3256, 80171), (3367, 77528), (3524, 74074), (3848, 67837), (4004, 65194), (5291, 49336), (5698, 45812), (6167, 42328), (6734, 38764), (7048, 37037), (8008, 32597), (9691, 26936), (10582, 24668), (11396, 22906), (11453, 22792), (12334, 21164), (13468, 19382)]