28724228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 56749056

約数和(自身を除く): 28024828

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 173, 206, 346, 403, 412, 692, 806, 1339, 1612, 2249, 2678, 3193, 4498, 5356, 5363, 6386, 8996, 10726, 12772, 17819, 21452, 35638, 41509, 69719, 71276, 83018, 139438, 166036, 231647, 278876, 463294, 552389, 926588, 1104778, 2209556, 7181057, 14362114, 28724228]

約数ペア:

[(1, 28724228), (2, 14362114), (4, 7181057), (13, 2209556), (26, 1104778), (31, 926588), (52, 552389), (62, 463294), (103, 278876), (124, 231647), (173, 166036), (206, 139438), (346, 83018), (403, 71276), (412, 69719), (692, 41509), (806, 35638), (1339, 21452), (1612, 17819), (2249, 12772), (2678, 10726), (3193, 8996), (4498, 6386), (5356, 5363)]