217857536

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 80

約数和(自身を含む): 476407008

約数和(自身を除く): 258549472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 256, 284, 416, 461, 512, 568, 832, 922, 923, 1136, 1664, 1844, 1846, 2272, 3328, 3688, 3692, 4544, 5993, 6656, 7376, 7384, 9088, 11986, 14752, 14768, 18176, 23972, 29504, 29536, 32731, 36352, 47944, 59008, 59072, 65462, 95888, 118016, 118144, 130924, 191776, 236032, 236288, 261848, 383552, 425503, 472576, 523696, 767104, 851006, 1047392, 1534208, 1702012, 2094784, 3068416, 3404024, 4189568, 6808048, 8379136, 13616096, 16758272, 27232192, 54464384, 108928768, 217857536]

約数ペア:

[(1, 217857536), (2, 108928768), (4, 54464384), (8, 27232192), (13, 16758272), (16, 13616096), (26, 8379136), (32, 6808048), (52, 4189568), (64, 3404024), (71, 3068416), (104, 2094784), (128, 1702012), (142, 1534208), (208, 1047392), (256, 851006), (284, 767104), (416, 523696), (461, 472576), (512, 425503), (568, 383552), (832, 261848), (922, 236288), (923, 236032), (1136, 191776), (1664, 130924), (1844, 118144), (1846, 118016), (2272, 95888), (3328, 65462), (3688, 59072), (3692, 59008), (4544, 47944), (5993, 36352), (6656, 32731), (7376, 29536), (7384, 29504), (9088, 23972), (11986, 18176), (14752, 14768)]