31239328

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 63999936

約数和(自身を除く): 32760608

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 146, 172, 292, 311, 344, 584, 622, 688, 1168, 1244, 1376, 2336, 2488, 3139, 4976, 6278, 9952, 12556, 13373, 22703, 25112, 26746, 45406, 50224, 53492, 90812, 100448, 106984, 181624, 213968, 363248, 427936, 726496, 976229, 1952458, 3904916, 7809832, 15619664, 31239328]

約数ペア:

[(1, 31239328), (2, 15619664), (4, 7809832), (8, 3904916), (16, 1952458), (32, 976229), (43, 726496), (73, 427936), (86, 363248), (146, 213968), (172, 181624), (292, 106984), (311, 100448), (344, 90812), (584, 53492), (622, 50224), (688, 45406), (1168, 26746), (1244, 25112), (1376, 22703), (2336, 13373), (2488, 12556), (3139, 9952), (4976, 6278)]