66985048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 74941352

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 79, 104, 124, 158, 248, 263, 316, 403, 526, 632, 806, 1027, 1052, 1612, 2054, 2104, 2449, 3224, 3419, 4108, 4898, 6838, 8153, 8216, 9796, 13676, 16306, 19592, 20777, 27352, 31837, 32612, 41554, 63674, 65224, 83108, 105989, 127348, 166216, 211978, 254696, 270101, 423956, 540202, 644087, 847912, 1080404, 1288174, 2160808, 2576348, 5152696, 8373131, 16746262, 33492524, 66985048]

約数ペア:

[(1, 66985048), (2, 33492524), (4, 16746262), (8, 8373131), (13, 5152696), (26, 2576348), (31, 2160808), (52, 1288174), (62, 1080404), (79, 847912), (104, 644087), (124, 540202), (158, 423956), (248, 270101), (263, 254696), (316, 211978), (403, 166216), (526, 127348), (632, 105989), (806, 83108), (1027, 65224), (1052, 63674), (1612, 41554), (2054, 32612), (2104, 31837), (2449, 27352), (3224, 20777), (3419, 19592), (4108, 16306), (4898, 13676), (6838, 9796), (8153, 8216)]