2039905

素因数分解:

$5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 2822400

約数和(自身を除く): 782495

約数列:

[1, 5, 7, 35, 167, 349, 835, 1169, 1745, 2443, 5845, 12215, 58283, 291415, 407981, 2039905]

約数ペア:

[(1, 2039905), (5, 407981), (7, 291415), (35, 58283), (167, 12215), (349, 5845), (835, 2443), (1169, 1745)]