81158566

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^2\times {\mathrm{109}}^1$

素因数の和:336

約数の個数: 24

約数和(自身を含む): 126894240

約数和(自身を除く): 45735674

約数列:

[1, 2, 47, 89, 94, 109, 178, 218, 4183, 5123, 7921, 8366, 9701, 10246, 15842, 19402, 372287, 455947, 744574, 863389, 911894, 1726778, 40579283, 81158566]

約数ペア:

[(1, 81158566), (2, 40579283), (47, 1726778), (89, 911894), (94, 863389), (109, 744574), (178, 455947), (218, 372287), (4183, 19402), (5123, 15842), (7921, 10246), (8366, 9701)]