83997690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{399989}}^1$

素因数の和:400006

約数の個数: 32

約数和(自身を含む): 230394240

約数和(自身を除く): 146396550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 399989, 799978, 1199967, 1999945, 2399934, 2799923, 3999890, 5599846, 5999835, 8399769, 11999670, 13999615, 16799538, 27999230, 41998845, 83997690]

約数ペア:

[(1, 83997690), (2, 41998845), (3, 27999230), (5, 16799538), (6, 13999615), (7, 11999670), (10, 8399769), (14, 5999835), (15, 5599846), (21, 3999890), (30, 2799923), (35, 2399934), (42, 1999945), (70, 1199967), (105, 799978), (210, 399989)]