691398239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 900372480

約数和(自身を除く): 208974241

約数列:

[1, 7, 19, 23, 31, 133, 161, 217, 317, 437, 529, 589, 713, 2219, 3059, 3703, 4123, 4991, 6023, 7291, 9827, 10051, 13547, 16399, 42161, 51037, 68789, 70357, 94829, 114793, 138529, 167693, 186713, 226021, 311581, 969703, 1173851, 1306991, 1582147, 2181067, 3186167, 4294399, 5198483, 22303169, 30060793, 36389381, 98771177, 691398239]

約数ペア:

[(1, 691398239), (7, 98771177), (19, 36389381), (23, 30060793), (31, 22303169), (133, 5198483), (161, 4294399), (217, 3186167), (317, 2181067), (437, 1582147), (529, 1306991), (589, 1173851), (713, 969703), (2219, 311581), (3059, 226021), (3703, 186713), (4123, 167693), (4991, 138529), (6023, 114793), (7291, 94829), (9827, 70357), (10051, 68789), (13547, 51037), (16399, 42161)]