639778812

素因数分解:

$2^2\times 3^1\times {\mathrm{1601}}^1\times {\mathrm{33301}}^1$

素因数の和:34909

約数の個数: 24

約数和(自身を含む): 1493794512

約数和(自身を除く): 854015700

約数列:

[1, 2, 3, 4, 6, 12, 1601, 3202, 4803, 6404, 9606, 19212, 33301, 66602, 99903, 133204, 199806, 399612, 53314901, 106629802, 159944703, 213259604, 319889406, 639778812]

約数ペア:

[(1, 639778812), (2, 319889406), (3, 213259604), (4, 159944703), (6, 106629802), (12, 53314901), (1601, 399612), (3202, 199806), (4803, 133204), (6404, 99903), (9606, 66602), (19212, 33301)]