209621000464

素因数分解:

$2^4\times {\mathrm{15131}}^1\times {\mathrm{865859}}^1$

素因数の和:880998

約数の個数: 20

約数和(自身を含む): 406167999120

約数和(自身を除く): 196546998656

約数列:

[1, 2, 4, 8, 16, 15131, 30262, 60524, 121048, 242096, 865859, 1731718, 3463436, 6926872, 13853744, 13101312529, 26202625058, 52405250116, 104810500232, 209621000464]

約数ペア:

[(1, 209621000464), (2, 104810500232), (4, 52405250116), (8, 26202625058), (16, 13101312529), (15131, 13853744), (30262, 6926872), (60524, 3463436), (121048, 1731718), (242096, 865859)]