64400308

素因数分解:

$2^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 133436800

約数和(自身を除く): 69036492

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 343, 511, 643, 686, 1022, 1286, 1372, 2044, 2572, 3577, 4501, 7154, 9002, 14308, 18004, 25039, 31507, 46939, 50078, 63014, 93878, 100156, 126028, 187756, 220549, 328573, 441098, 657146, 882196, 1314292, 2300011, 4600022, 9200044, 16100077, 32200154, 64400308]

約数ペア:

[(1, 64400308), (2, 32200154), (4, 16100077), (7, 9200044), (14, 4600022), (28, 2300011), (49, 1314292), (73, 882196), (98, 657146), (146, 441098), (196, 328573), (292, 220549), (343, 187756), (511, 126028), (643, 100156), (686, 93878), (1022, 63014), (1286, 50078), (1372, 46939), (2044, 31507), (2572, 25039), (3577, 18004), (4501, 14308), (7154, 9002)]