257540065

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{2749}}^1$

素因数の和:3252

約数の個数: 16

約数和(自身を含む): 317394000

約数和(自身を除く): 59853935

約数列:

[1, 5, 41, 205, 457, 2285, 2749, 13745, 18737, 93685, 112709, 563545, 1256293, 6281465, 51508013, 257540065]

約数ペア:

[(1, 257540065), (5, 51508013), (41, 6281465), (205, 1256293), (457, 563545), (2285, 112709), (2749, 93685), (13745, 18737)]