266772688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4261}}^1$

素因数の和:4332

約数の個数: 80

約数和(自身を含む): 651097216

約数和(自身を除く): 384324528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3913, 4261, 4472, 4816, 7826, 8522, 8944, 15652, 17044, 29827, 31304, 34088, 55393, 59654, 62608, 68176, 110786, 119308, 183223, 221572, 238616, 366446, 387751, 443144, 477232, 732892, 775502, 886288, 1282561, 1465784, 1551004, 2381899, 2565122, 2931568, 3102008, 4763798, 5130244, 6204016, 9527596, 10260488, 16673293, 19055192, 20520976, 33346586, 38110384, 66693172, 133386344, 266772688]

約数ペア:

[(1, 266772688), (2, 133386344), (4, 66693172), (7, 38110384), (8, 33346586), (13, 20520976), (14, 19055192), (16, 16673293), (26, 10260488), (28, 9527596), (43, 6204016), (52, 5130244), (56, 4763798), (86, 3102008), (91, 2931568), (104, 2565122), (112, 2381899), (172, 1551004), (182, 1465784), (208, 1282561), (301, 886288), (344, 775502), (364, 732892), (559, 477232), (602, 443144), (688, 387751), (728, 366446), (1118, 238616), (1204, 221572), (1456, 183223), (2236, 119308), (2408, 110786), (3913, 68176), (4261, 62608), (4472, 59654), (4816, 55393), (7826, 34088), (8522, 31304), (8944, 29827), (15652, 17044)]