2021880848

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{747737}}^1$

素因数の和:747771

約数の個数: 30

約数和(自身を含む): 4241917674

約数和(自身を除く): 2220036826

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 747737, 1495474, 2990948, 5981896, 9720581, 11963792, 19441162, 38882324, 77764648, 126367553, 155529296, 252735106, 505470212, 1010940424, 2021880848]

約数ペア:

[(1, 2021880848), (2, 1010940424), (4, 505470212), (8, 252735106), (13, 155529296), (16, 126367553), (26, 77764648), (52, 38882324), (104, 19441162), (169, 11963792), (208, 9720581), (338, 5981896), (676, 2990948), (1352, 1495474), (2704, 747737)]