28391506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 51403968

約数和(自身を除く): 23012462

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 2683, 5291, 5366, 10582, 29513, 34879, 59026, 69758, 99271, 198542, 383669, 767338, 1091981, 1290523, 2183962, 2581046, 14195753, 28391506]

約数ペア:

[(1, 28391506), (2, 14195753), (11, 2581046), (13, 2183962), (22, 1290523), (26, 1091981), (37, 767338), (74, 383669), (143, 198542), (286, 99271), (407, 69758), (481, 59026), (814, 34879), (962, 29513), (2683, 10582), (5291, 5366)]