289574846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{19913}}^1$

素因数の和:20587

約数の個数: 16

約数和(自身を含む): 474590448

約数和(自身を除く): 185015602

約数列:

[1, 2, 11, 22, 661, 1322, 7271, 14542, 19913, 39826, 219043, 438086, 13162493, 26324986, 144787423, 289574846]

約数ペア:

[(1, 289574846), (2, 144787423), (11, 26324986), (22, 13162493), (661, 438086), (1322, 219043), (7271, 39826), (14542, 19913)]