405656488

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{6883}}^1$

素因数の和:7081

約数の個数: 32

約数和(自身を含む): 780645600

約数和(自身を除く): 374989112

約数列:

[1, 2, 4, 8, 53, 106, 139, 212, 278, 424, 556, 1112, 6883, 7367, 13766, 14734, 27532, 29468, 55064, 58936, 364799, 729598, 956737, 1459196, 1913474, 2918392, 3826948, 7653896, 50707061, 101414122, 202828244, 405656488]

約数ペア:

[(1, 405656488), (2, 202828244), (4, 101414122), (8, 50707061), (53, 7653896), (106, 3826948), (139, 2918392), (212, 1913474), (278, 1459196), (424, 956737), (556, 729598), (1112, 364799), (6883, 58936), (7367, 55064), (13766, 29468), (14734, 27532)]