139332290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449459}}^1$

素因数の和:449497

約数の個数: 16

約数和(自身を含む): 258888960

約数和(自身を除く): 119556670

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 449459, 898918, 2247295, 4494590, 13933229, 27866458, 69666145, 139332290]

約数ペア:

[(1, 139332290), (2, 69666145), (5, 27866458), (10, 13933229), (31, 4494590), (62, 2247295), (155, 898918), (310, 449459)]