81107936

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 209944224

約数和(自身を除く): 128836288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 49, 52, 56, 91, 92, 98, 104, 112, 161, 173, 182, 184, 196, 208, 224, 299, 322, 346, 364, 368, 392, 416, 598, 637, 644, 692, 728, 736, 784, 1127, 1196, 1211, 1274, 1288, 1384, 1456, 1568, 2093, 2249, 2254, 2392, 2422, 2548, 2576, 2768, 2912, 3979, 4186, 4498, 4508, 4784, 4844, 5096, 5152, 5536, 7958, 8372, 8477, 8996, 9016, 9568, 9688, 10192, 14651, 15743, 15916, 16744, 16954, 17992, 18032, 19376, 20384, 27853, 29302, 31486, 31832, 33488, 33908, 35984, 36064, 38752, 51727, 55706, 58604, 62972, 63664, 66976, 67816, 71968, 103454, 110201, 111412, 117208, 125944, 127328, 135632, 194971, 206908, 220402, 222824, 234416, 251888, 271264, 362089, 389942, 413816, 440804, 445648, 468832, 503776, 724178, 779884, 827632, 881608, 891296, 1448356, 1559768, 1655264, 1763216, 2534623, 2896712, 3119536, 3526432, 5069246, 5793424, 6239072, 10138492, 11586848, 20276984, 40553968, 81107936]

約数ペア:

[(1, 81107936), (2, 40553968), (4, 20276984), (7, 11586848), (8, 10138492), (13, 6239072), (14, 5793424), (16, 5069246), (23, 3526432), (26, 3119536), (28, 2896712), (32, 2534623), (46, 1763216), (49, 1655264), (52, 1559768), (56, 1448356), (91, 891296), (92, 881608), (98, 827632), (104, 779884), (112, 724178), (161, 503776), (173, 468832), (182, 445648), (184, 440804), (196, 413816), (208, 389942), (224, 362089), (299, 271264), (322, 251888), (346, 234416), (364, 222824), (368, 220402), (392, 206908), (416, 194971), (598, 135632), (637, 127328), (644, 125944), (692, 117208), (728, 111412), (736, 110201), (784, 103454), (1127, 71968), (1196, 67816), (1211, 66976), (1274, 63664), (1288, 62972), (1384, 58604), (1456, 55706), (1568, 51727), (2093, 38752), (2249, 36064), (2254, 35984), (2392, 33908), (2422, 33488), (2548, 31832), (2576, 31486), (2768, 29302), (2912, 27853), (3979, 20384), (4186, 19376), (4498, 18032), (4508, 17992), (4784, 16954), (4844, 16744), (5096, 15916), (5152, 15743), (5536, 14651), (7958, 10192), (8372, 9688), (8477, 9568), (8996, 9016)]