219905306

素因数分解:

$2^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 332003880

約数和(自身を除く): 112098574

約数列:

[1, 2, 337, 509, 641, 674, 1018, 1282, 171533, 216017, 326269, 343066, 432034, 652538, 109952653, 219905306]

約数ペア:

[(1, 219905306), (2, 109952653), (337, 652538), (509, 432034), (641, 343066), (674, 326269), (1018, 216017), (1282, 171533)]