331436620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{404191}}^1$

素因数の和:404241

約数の個数: 24

約数和(自身を含む): 712994688

約数和(自身を除く): 381558068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 404191, 808382, 1616764, 2020955, 4041910, 8083820, 16571831, 33143662, 66287324, 82859155, 165718310, 331436620]

約数ペア:

[(1, 331436620), (2, 165718310), (4, 82859155), (5, 66287324), (10, 33143662), (20, 16571831), (41, 8083820), (82, 4041910), (164, 2020955), (205, 1616764), (410, 808382), (820, 404191)]