1321982210

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{332993}}^1$

素因数の和:333397

約数の個数: 16

約数和(自身を含む): 2385569016

約数和(自身を除く): 1063586806

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 332993, 665986, 1664965, 3329930, 132198221, 264396442, 660991105, 1321982210]

約数ペア:

[(1, 1321982210), (2, 660991105), (5, 264396442), (10, 132198221), (397, 3329930), (794, 1664965), (1985, 665986), (3970, 332993)]