128547421

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{691}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 141101568

約数和(自身を除く): 12554147

約数列:

[1, 17, 31, 353, 527, 691, 6001, 10943, 11747, 21421, 186031, 243923, 364157, 4146691, 7561613, 128547421]

約数ペア:

[(1, 128547421), (17, 7561613), (31, 4146691), (353, 364157), (527, 243923), (691, 186031), (6001, 21421), (10943, 11747)]