51253895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 83607552

約数和(自身を除く): 32353657

約数列:

[1, 5, 7, 11, 17, 35, 41, 55, 77, 85, 119, 187, 191, 205, 287, 385, 451, 595, 697, 935, 955, 1309, 1337, 1435, 2101, 2255, 3157, 3247, 3485, 4879, 6545, 6685, 7667, 7831, 10505, 14707, 15785, 16235, 22729, 24395, 35717, 38335, 39155, 53669, 54817, 73535, 86141, 113645, 133127, 178585, 250019, 268345, 274085, 430705, 602987, 665635, 931889, 1250095, 1464397, 3014935, 4659445, 7321985, 10250779, 51253895]

約数ペア:

[(1, 51253895), (5, 10250779), (7, 7321985), (11, 4659445), (17, 3014935), (35, 1464397), (41, 1250095), (55, 931889), (77, 665635), (85, 602987), (119, 430705), (187, 274085), (191, 268345), (205, 250019), (287, 178585), (385, 133127), (451, 113645), (595, 86141), (697, 73535), (935, 54817), (955, 53669), (1309, 39155), (1337, 38335), (1435, 35717), (2101, 24395), (2255, 22729), (3157, 16235), (3247, 15785), (3485, 14707), (4879, 10505), (6545, 7831), (6685, 7667)]