223012988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{71387}}^1$

素因数の和:71473

約数の個数: 24

約数和(自身を含む): 431754624

約数和(自身を除く): 208741636

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 71387, 142774, 285548, 785257, 1570514, 3141028, 5068477, 10136954, 20273908, 55753247, 111506494, 223012988]

約数ペア:

[(1, 223012988), (2, 111506494), (4, 55753247), (11, 20273908), (22, 10136954), (44, 5068477), (71, 3141028), (142, 1570514), (284, 785257), (781, 285548), (1562, 142774), (3124, 71387)]