64944190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 121033440

約数和(自身を除く): 56089250

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 1697, 3394, 3827, 7654, 8485, 16970, 19135, 38270, 72971, 145942, 151033, 302066, 364855, 729710, 755165, 1510330, 6494419, 12988838, 32472095, 64944190]

約数ペア:

[(1, 64944190), (2, 32472095), (5, 12988838), (10, 6494419), (43, 1510330), (86, 755165), (89, 729710), (178, 364855), (215, 302066), (430, 151033), (445, 145942), (890, 72971), (1697, 38270), (3394, 19135), (3827, 16970), (7654, 8485)]