199983888

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:681

約数の個数: 120

約数和(自身を含む): 606424728

約数和(自身を除く): 406440840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 317, 337, 468, 624, 634, 674, 936, 951, 1011, 1268, 1348, 1872, 1902, 2022, 2536, 2696, 2853, 3033, 3804, 4044, 4121, 4381, 5072, 5392, 5706, 6066, 7608, 8088, 8242, 8762, 11412, 12132, 12363, 13143, 15216, 16176, 16484, 17524, 22824, 24264, 24726, 26286, 32968, 35048, 37089, 39429, 45648, 48528, 49452, 52572, 65936, 70096, 74178, 78858, 98904, 105144, 106829, 148356, 157716, 197808, 210288, 213658, 296712, 315432, 320487, 427316, 593424, 630864, 640974, 854632, 961461, 1281948, 1388777, 1709264, 1922922, 2563896, 2777554, 3845844, 4166331, 5127792, 5555108, 7691688, 8332662, 11110216, 12498993, 15383376, 16665324, 22220432, 24997986, 33330648, 49995972, 66661296, 99991944, 199983888]

約数ペア:

[(1, 199983888), (2, 99991944), (3, 66661296), (4, 49995972), (6, 33330648), (8, 24997986), (9, 22220432), (12, 16665324), (13, 15383376), (16, 12498993), (18, 11110216), (24, 8332662), (26, 7691688), (36, 5555108), (39, 5127792), (48, 4166331), (52, 3845844), (72, 2777554), (78, 2563896), (104, 1922922), (117, 1709264), (144, 1388777), (156, 1281948), (208, 961461), (234, 854632), (312, 640974), (317, 630864), (337, 593424), (468, 427316), (624, 320487), (634, 315432), (674, 296712), (936, 213658), (951, 210288), (1011, 197808), (1268, 157716), (1348, 148356), (1872, 106829), (1902, 105144), (2022, 98904), (2536, 78858), (2696, 74178), (2853, 70096), (3033, 65936), (3804, 52572), (4044, 49452), (4121, 48528), (4381, 45648), (5072, 39429), (5392, 37089), (5706, 35048), (6066, 32968), (7608, 26286), (8088, 24726), (8242, 24264), (8762, 22824), (11412, 17524), (12132, 16484), (12363, 16176), (13143, 15216)]