31168874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:179

約数の個数: 36

約数和(自身を含む): 53688642

約数和(自身を除く): 22519768

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 121, 242, 407, 649, 814, 1298, 2183, 3481, 4366, 4477, 6962, 7139, 8954, 14278, 24013, 38291, 48026, 76582, 128797, 257594, 264143, 421201, 528286, 842402, 1416767, 2833534, 15584437, 31168874]

約数ペア:

[(1, 31168874), (2, 15584437), (11, 2833534), (22, 1416767), (37, 842402), (59, 528286), (74, 421201), (118, 264143), (121, 257594), (242, 128797), (407, 76582), (649, 48026), (814, 38291), (1298, 24013), (2183, 14278), (3481, 8954), (4366, 7139), (4477, 6962)]