31380218

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 24

約数和(自身を含む): 49351932

約数和(自身を除く): 17971714

約数列:

[1, 2, 37, 73, 74, 146, 157, 314, 1369, 2701, 2738, 5402, 5809, 11461, 11618, 22922, 99937, 199874, 214933, 424057, 429866, 848114, 15690109, 31380218]

約数ペア:

[(1, 31380218), (2, 15690109), (37, 848114), (73, 429866), (74, 424057), (146, 214933), (157, 199874), (314, 99937), (1369, 22922), (2701, 11618), (2738, 11461), (5402, 5809)]