31840856

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 60918480

約数和(自身を除く): 29077624

約数列:

[1, 2, 4, 8, 101, 157, 202, 251, 314, 404, 502, 628, 808, 1004, 1256, 2008, 15857, 25351, 31714, 39407, 50702, 63428, 78814, 101404, 126856, 157628, 202808, 315256, 3980107, 7960214, 15920428, 31840856]

約数ペア:

[(1, 31840856), (2, 15920428), (4, 7960214), (8, 3980107), (101, 315256), (157, 202808), (202, 157628), (251, 126856), (314, 101404), (404, 78814), (502, 63428), (628, 50702), (808, 39407), (1004, 31714), (1256, 25351), (2008, 15857)]