205540412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4801}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 451772160

約数和(自身を除く): 246231748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 973, 1529, 1946, 3058, 3892, 4801, 6116, 9602, 10703, 19204, 21406, 33607, 42812, 52811, 67214, 105622, 134428, 211244, 369677, 667339, 739354, 1334678, 1478708, 2669356, 4671373, 7340729, 9342746, 14681458, 18685492, 29362916, 51385103, 102770206, 205540412]

約数ペア:

[(1, 205540412), (2, 102770206), (4, 51385103), (7, 29362916), (11, 18685492), (14, 14681458), (22, 9342746), (28, 7340729), (44, 4671373), (77, 2669356), (139, 1478708), (154, 1334678), (278, 739354), (308, 667339), (556, 369677), (973, 211244), (1529, 134428), (1946, 105622), (3058, 67214), (3892, 52811), (4801, 42812), (6116, 33607), (9602, 21406), (10703, 19204)]