199971436

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{90403}}^1$

素因数の和:90493

約数の個数: 24

約数和(自身を含む): 405009920

約数和(自身を除く): 205038484

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 90403, 180806, 361612, 632821, 1265642, 2531284, 7141837, 14283674, 28567348, 49992859, 99985718, 199971436]

約数ペア:

[(1, 199971436), (2, 99985718), (4, 49992859), (7, 28567348), (14, 14283674), (28, 7141837), (79, 2531284), (158, 1265642), (316, 632821), (553, 361612), (1106, 180806), (2212, 90403)]