1320221478

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{3329}}^1$

素因数の和:3912

約数の個数: 32

約数和(自身を含む): 2664372960

約数和(自身を除く): 1344151482

約数列:

[1, 2, 3, 6, 157, 314, 421, 471, 842, 942, 1263, 2526, 3329, 6658, 9987, 19974, 66097, 132194, 198291, 396582, 522653, 1045306, 1401509, 1567959, 2803018, 3135918, 4204527, 8409054, 220036913, 440073826, 660110739, 1320221478]

約数ペア:

[(1, 1320221478), (2, 660110739), (3, 440073826), (6, 220036913), (157, 8409054), (314, 4204527), (421, 3135918), (471, 2803018), (842, 1567959), (942, 1401509), (1263, 1045306), (2526, 522653), (3329, 396582), (6658, 198291), (9987, 132194), (19974, 66097)]