128972272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{56369}}^1$

素因数の和:56401

約数の個数: 40

約数和(自身を含む): 293574960

約数和(自身を除く): 164602688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 56369, 112738, 225476, 450952, 620059, 732797, 901904, 1240118, 1465594, 2480236, 2931188, 4960472, 5862376, 8060767, 9920944, 11724752, 16121534, 32243068, 64486136, 128972272]

約数ペア:

[(1, 128972272), (2, 64486136), (4, 32243068), (8, 16121534), (11, 11724752), (13, 9920944), (16, 8060767), (22, 5862376), (26, 4960472), (44, 2931188), (52, 2480236), (88, 1465594), (104, 1240118), (143, 901904), (176, 732797), (208, 620059), (286, 450952), (572, 225476), (1144, 112738), (2288, 56369)]