212320904

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{257671}}^1$

素因数の和:257780

約数の個数: 16

約数和(自身を含む): 401968320

約数和(自身を除く): 189647416

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 257671, 515342, 1030684, 2061368, 26540113, 53080226, 106160452, 212320904]

約数ペア:

[(1, 212320904), (2, 106160452), (4, 53080226), (8, 26540113), (103, 2061368), (206, 1030684), (412, 515342), (824, 257671)]