78252004

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{219809}}^1$

素因数の和:219902

約数の個数: 12

約数和(自身を含む): 138480300

約数和(自身を除く): 60228296

約数列:

[1, 2, 4, 89, 178, 356, 219809, 439618, 879236, 19563001, 39126002, 78252004]

約数ペア:

[(1, 78252004), (2, 39126002), (4, 19563001), (89, 879236), (178, 439618), (356, 219809)]