40502021

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 47278080

約数和(自身を除く): 6776059

約数列:

[1, 7, 71, 227, 359, 497, 1589, 2513, 16117, 25489, 81493, 112819, 178423, 570451, 5786003, 40502021]

約数ペア:

[(1, 40502021), (7, 5786003), (71, 570451), (227, 178423), (359, 112819), (497, 81493), (1589, 25489), (2513, 16117)]