684464816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{321647}}^1$

素因数の和:321681

約数の個数: 40

約数和(自身を含む): 1595374080

約数和(自身を除く): 910909264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 321647, 643294, 1286588, 2251529, 2573176, 4503058, 5146352, 6111293, 9006116, 12222586, 18012232, 24445172, 36024464, 42779051, 48890344, 85558102, 97780688, 171116204, 342232408, 684464816]

約数ペア:

[(1, 684464816), (2, 342232408), (4, 171116204), (7, 97780688), (8, 85558102), (14, 48890344), (16, 42779051), (19, 36024464), (28, 24445172), (38, 18012232), (56, 12222586), (76, 9006116), (112, 6111293), (133, 5146352), (152, 4503058), (266, 2573176), (304, 2251529), (532, 1286588), (1064, 643294), (2128, 321647)]