218005268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 434843136

約数和(自身を除く): 216837868

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 101, 103, 124, 169, 202, 206, 338, 403, 404, 412, 676, 806, 1313, 1339, 1612, 2626, 2678, 3131, 3193, 5239, 5252, 5356, 6262, 6386, 10403, 10478, 12524, 12772, 17069, 17407, 20806, 20956, 34138, 34814, 40703, 41509, 41612, 68276, 69628, 81406, 83018, 135239, 162812, 166036, 270478, 322493, 529139, 539617, 540956, 644986, 1058278, 1079234, 1289972, 1758107, 2116556, 2158468, 3516214, 4192409, 7032428, 8384818, 16769636, 54501317, 109002634, 218005268]

約数ペア:

[(1, 218005268), (2, 109002634), (4, 54501317), (13, 16769636), (26, 8384818), (31, 7032428), (52, 4192409), (62, 3516214), (101, 2158468), (103, 2116556), (124, 1758107), (169, 1289972), (202, 1079234), (206, 1058278), (338, 644986), (403, 540956), (404, 539617), (412, 529139), (676, 322493), (806, 270478), (1313, 166036), (1339, 162812), (1612, 135239), (2626, 83018), (2678, 81406), (3131, 69628), (3193, 68276), (5239, 41612), (5252, 41509), (5356, 40703), (6262, 34814), (6386, 34138), (10403, 20956), (10478, 20806), (12524, 17407), (12772, 17069)]