291258968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 753822720

約数和(自身を除く): 462563752

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, 962, 983, 1001, 1036, 1144, 1628, 1924, 1966, 2002, 2072, 2849, 3256, 3367, 3848, 3932, 4004, 5291, 5698, 6734, 6881, 7864, 8008, 10582, 10813, 11396, 12779, 13468, 13762, 21164, 21626, 22792, 25558, 26936, 27524, 36371, 37037, 42328, 43252, 51116, 55048, 72742, 74074, 75691, 86504, 89453, 102232, 140569, 145484, 148148, 151382, 178906, 254597, 281138, 290968, 296296, 302764, 357812, 400081, 472823, 509194, 562276, 605528, 715624, 800162, 945646, 983983, 1018388, 1124552, 1600324, 1891292, 1967966, 2036776, 2800567, 3200648, 3309761, 3782584, 3935932, 5201053, 5601134, 6619522, 7871864, 10402106, 11202268, 13239044, 20804212, 22404536, 26478088, 36407371, 41608424, 72814742, 145629484, 291258968]

約数ペア:

[(1, 291258968), (2, 145629484), (4, 72814742), (7, 41608424), (8, 36407371), (11, 26478088), (13, 22404536), (14, 20804212), (22, 13239044), (26, 11202268), (28, 10402106), (37, 7871864), (44, 6619522), (52, 5601134), (56, 5201053), (74, 3935932), (77, 3782584), (88, 3309761), (91, 3200648), (104, 2800567), (143, 2036776), (148, 1967966), (154, 1891292), (182, 1600324), (259, 1124552), (286, 1018388), (296, 983983), (308, 945646), (364, 800162), (407, 715624), (481, 605528), (518, 562276), (572, 509194), (616, 472823), (728, 400081), (814, 357812), (962, 302764), (983, 296296), (1001, 290968), (1036, 281138), (1144, 254597), (1628, 178906), (1924, 151382), (1966, 148148), (2002, 145484), (2072, 140569), (2849, 102232), (3256, 89453), (3367, 86504), (3848, 75691), (3932, 74074), (4004, 72742), (5291, 55048), (5698, 51116), (6734, 43252), (6881, 42328), (7864, 37037), (8008, 36371), (10582, 27524), (10813, 26936), (11396, 25558), (12779, 22792), (13468, 21626), (13762, 21164)]