57137278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 97228800

約数和(自身を除く): 40091522

約数列:

[1, 2, 11, 22, 31, 62, 199, 341, 398, 421, 682, 842, 2189, 4378, 4631, 6169, 9262, 12338, 13051, 26102, 67859, 83779, 135718, 143561, 167558, 287122, 921569, 1843138, 2597149, 5194298, 28568639, 57137278]

約数ペア:

[(1, 57137278), (2, 28568639), (11, 5194298), (22, 2597149), (31, 1843138), (62, 921569), (199, 287122), (341, 167558), (398, 143561), (421, 135718), (682, 83779), (842, 67859), (2189, 26102), (4378, 13051), (4631, 12338), (6169, 9262)]