81093712

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5209}}^1$

素因数の和:5363

約数の個数: 40

約数和(自身を含む): 180891200

約数和(自身を除く): 99797488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 5209, 7784, 10418, 15568, 20836, 36463, 41672, 72926, 83344, 145852, 291704, 583408, 724051, 1448102, 2896204, 5068357, 5792408, 10136714, 11584816, 20273428, 40546856, 81093712]

約数ペア:

[(1, 81093712), (2, 40546856), (4, 20273428), (7, 11584816), (8, 10136714), (14, 5792408), (16, 5068357), (28, 2896204), (56, 1448102), (112, 724051), (139, 583408), (278, 291704), (556, 145852), (973, 83344), (1112, 72926), (1946, 41672), (2224, 36463), (3892, 20836), (5209, 15568), (7784, 10418)]