206905904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2853

約数の個数: 40

約数和(自身を含む): 416604288

約数和(自身を除く): 209698384

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2512, 2657, 4867, 5314, 9734, 10628, 19468, 21256, 38936, 42512, 77872, 82367, 164734, 329468, 417149, 658936, 834298, 1317872, 1668596, 3337192, 6674384, 12931619, 25863238, 51726476, 103452952, 206905904]

約数ペア:

[(1, 206905904), (2, 103452952), (4, 51726476), (8, 25863238), (16, 12931619), (31, 6674384), (62, 3337192), (124, 1668596), (157, 1317872), (248, 834298), (314, 658936), (496, 417149), (628, 329468), (1256, 164734), (2512, 82367), (2657, 77872), (4867, 42512), (5314, 38936), (9734, 21256), (10628, 19468)]