1880974711

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3011}}^1$

素因数の和:3116

約数の個数: 48

約数和(自身を含む): 2554657920

約数和(自身を除く): 673683209

約数列:

[1, 7, 11, 19, 49, 61, 77, 133, 209, 427, 539, 671, 931, 1159, 1463, 2989, 3011, 4697, 8113, 10241, 12749, 21077, 32879, 33121, 56791, 57209, 89243, 147539, 183671, 231847, 400463, 624701, 629299, 1285697, 1622929, 2020381, 2803241, 3489749, 4405093, 8999879, 14142667, 24428243, 30835651, 38387239, 98998669, 170997701, 268710673, 1880974711]

約数ペア:

[(1, 1880974711), (7, 268710673), (11, 170997701), (19, 98998669), (49, 38387239), (61, 30835651), (77, 24428243), (133, 14142667), (209, 8999879), (427, 4405093), (539, 3489749), (671, 2803241), (931, 2020381), (1159, 1622929), (1463, 1285697), (2989, 629299), (3011, 624701), (4697, 400463), (8113, 231847), (10241, 183671), (12749, 147539), (21077, 89243), (32879, 57209), (33121, 56791)]