205424128

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4447

約数の個数: 80

約数和(自身を含む): 505280160

約数和(自身を除く): 299856032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 3584, 4409, 5824, 6656, 8818, 11648, 17636, 23296, 30863, 35272, 46592, 57317, 61726, 70544, 114634, 123452, 141088, 229268, 246904, 282176, 401219, 458536, 493808, 564352, 802438, 917072, 987616, 1128704, 1604876, 1834144, 1975232, 2257408, 3209752, 3668288, 3950464, 6419504, 7336576, 7900928, 12839008, 14673152, 15801856, 25678016, 29346304, 51356032, 102712064, 205424128]

約数ペア:

[(1, 205424128), (2, 102712064), (4, 51356032), (7, 29346304), (8, 25678016), (13, 15801856), (14, 14673152), (16, 12839008), (26, 7900928), (28, 7336576), (32, 6419504), (52, 3950464), (56, 3668288), (64, 3209752), (91, 2257408), (104, 1975232), (112, 1834144), (128, 1604876), (182, 1128704), (208, 987616), (224, 917072), (256, 802438), (364, 564352), (416, 493808), (448, 458536), (512, 401219), (728, 282176), (832, 246904), (896, 229268), (1456, 141088), (1664, 123452), (1792, 114634), (2912, 70544), (3328, 61726), (3584, 57317), (4409, 46592), (5824, 35272), (6656, 30863), (8818, 23296), (11648, 17636)]