205991136

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1553

約数の個数: 144

約数和(自身を含む): 648333504

約数和(自身を除く): 442342368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 37, 39, 48, 52, 72, 74, 78, 96, 104, 111, 117, 144, 148, 156, 208, 222, 234, 288, 296, 312, 333, 416, 444, 468, 481, 592, 624, 666, 888, 936, 962, 1184, 1248, 1332, 1443, 1487, 1776, 1872, 1924, 2664, 2886, 2974, 3552, 3744, 3848, 4329, 4461, 5328, 5772, 5948, 7696, 8658, 8922, 10656, 11544, 11896, 13383, 15392, 17316, 17844, 19331, 23088, 23792, 26766, 34632, 35688, 38662, 46176, 47584, 53532, 55019, 57993, 69264, 71376, 77324, 107064, 110038, 115986, 138528, 142752, 154648, 165057, 173979, 214128, 220076, 231972, 309296, 330114, 347958, 428256, 440152, 463944, 495171, 618592, 660228, 695916, 715247, 880304, 927888, 990342, 1320456, 1391832, 1430494, 1760608, 1855776, 1980684, 2145741, 2640912, 2783664, 2860988, 3961368, 4291482, 5281824, 5567328, 5721976, 6437223, 7922736, 8582964, 11443952, 12874446, 15845472, 17165928, 22887904, 25748892, 34331856, 51497784, 68663712, 102995568, 205991136]

約数ペア:

[(1, 205991136), (2, 102995568), (3, 68663712), (4, 51497784), (6, 34331856), (8, 25748892), (9, 22887904), (12, 17165928), (13, 15845472), (16, 12874446), (18, 11443952), (24, 8582964), (26, 7922736), (32, 6437223), (36, 5721976), (37, 5567328), (39, 5281824), (48, 4291482), (52, 3961368), (72, 2860988), (74, 2783664), (78, 2640912), (96, 2145741), (104, 1980684), (111, 1855776), (117, 1760608), (144, 1430494), (148, 1391832), (156, 1320456), (208, 990342), (222, 927888), (234, 880304), (288, 715247), (296, 695916), (312, 660228), (333, 618592), (416, 495171), (444, 463944), (468, 440152), (481, 428256), (592, 347958), (624, 330114), (666, 309296), (888, 231972), (936, 220076), (962, 214128), (1184, 173979), (1248, 165057), (1332, 154648), (1443, 142752), (1487, 138528), (1776, 115986), (1872, 110038), (1924, 107064), (2664, 77324), (2886, 71376), (2974, 69264), (3552, 57993), (3744, 55019), (3848, 53532), (4329, 47584), (4461, 46176), (5328, 38662), (5772, 35688), (5948, 34632), (7696, 26766), (8658, 23792), (8922, 23088), (10656, 19331), (11544, 17844), (11896, 17316), (13383, 15392)]