66455792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319499}}^1$

素因数の和:319520

約数の個数: 20

約数和(自身を含む): 138663000

約数和(自身を除く): 72207208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319499, 638998, 1277996, 2555992, 4153487, 5111984, 8306974, 16613948, 33227896, 66455792]

約数ペア:

[(1, 66455792), (2, 33227896), (4, 16613948), (8, 8306974), (13, 5111984), (16, 4153487), (26, 2555992), (52, 1277996), (104, 638998), (208, 319499)]