644852442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8267339}}^1$

素因数の和:8267357

約数の個数: 16

約数和(自身を含む): 1388913120

約数和(自身を除く): 744060678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8267339, 16534678, 24802017, 49604034, 107475407, 214950814, 322426221, 644852442]

約数ペア:

[(1, 644852442), (2, 322426221), (3, 214950814), (6, 107475407), (13, 49604034), (26, 24802017), (39, 16534678), (78, 8267339)]