219432889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1549}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 250765200

約数和(自身を除く): 31332311

約数列:

[1, 13, 17, 221, 641, 1549, 8333, 10897, 20137, 26333, 141661, 342329, 992909, 12907817, 16879453, 219432889]

約数ペア:

[(1, 219432889), (13, 16879453), (17, 12907817), (221, 992909), (641, 342329), (1549, 141661), (8333, 26333), (10897, 20137)]