220154872

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{28283}}^1$

素因数の和:28435

約数の個数: 32

約数和(自身を含む): 475171200

約数和(自身を除く): 255016328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 28283, 56566, 113132, 197981, 226264, 395962, 791924, 1583848, 3931337, 7862674, 15725348, 27519359, 31450696, 55038718, 110077436, 220154872]

約数ペア:

[(1, 220154872), (2, 110077436), (4, 55038718), (7, 31450696), (8, 27519359), (14, 15725348), (28, 7862674), (56, 3931337), (139, 1583848), (278, 791924), (556, 395962), (973, 226264), (1112, 197981), (1946, 113132), (3892, 56566), (7784, 28283)]