199917508

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 414134784

約数和(自身を除く): 214217276

約数列:

[1, 2, 4, 7, 14, 28, 47, 73, 94, 146, 188, 292, 329, 511, 658, 1022, 1316, 2044, 2081, 3431, 4162, 6862, 8324, 13724, 14567, 24017, 29134, 48034, 58268, 96068, 97807, 151913, 195614, 303826, 391228, 607652, 684649, 1063391, 1369298, 2126782, 2738596, 4253564, 7139911, 14279822, 28559644, 49979377, 99958754, 199917508]

約数ペア:

[(1, 199917508), (2, 99958754), (4, 49979377), (7, 28559644), (14, 14279822), (28, 7139911), (47, 4253564), (73, 2738596), (94, 2126782), (146, 1369298), (188, 1063391), (292, 684649), (329, 607652), (511, 391228), (658, 303826), (1022, 195614), (1316, 151913), (2044, 97807), (2081, 96068), (3431, 58268), (4162, 48034), (6862, 29134), (8324, 24017), (13724, 14567)]