66942208

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 141281280

約数和(自身を除く): 74339072

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 127, 128, 142, 232, 254, 256, 284, 464, 508, 568, 928, 1016, 1136, 1856, 2032, 2059, 2272, 3683, 3712, 4064, 4118, 4544, 7366, 7424, 8128, 8236, 9017, 9088, 14732, 16256, 16472, 18034, 18176, 29464, 32512, 32944, 36068, 58928, 65888, 72136, 117856, 131776, 144272, 235712, 261493, 263552, 288544, 471424, 522986, 527104, 577088, 942848, 1045972, 1154176, 2091944, 2308352, 4183888, 8367776, 16735552, 33471104, 66942208]

約数ペア:

[(1, 66942208), (2, 33471104), (4, 16735552), (8, 8367776), (16, 4183888), (29, 2308352), (32, 2091944), (58, 1154176), (64, 1045972), (71, 942848), (116, 577088), (127, 527104), (128, 522986), (142, 471424), (232, 288544), (254, 263552), (256, 261493), (284, 235712), (464, 144272), (508, 131776), (568, 117856), (928, 72136), (1016, 65888), (1136, 58928), (1856, 36068), (2032, 32944), (2059, 32512), (2272, 29464), (3683, 18176), (3712, 18034), (4064, 16472), (4118, 16256), (4544, 14732), (7366, 9088), (7424, 9017), (8128, 8236)]