127581685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 205161984

約数和(自身を除く): 77580299

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 101, 119, 187, 193, 385, 505, 595, 707, 935, 965, 1111, 1309, 1351, 1717, 2123, 3281, 3535, 5555, 6545, 6755, 7777, 8585, 10615, 12019, 14861, 16405, 18887, 19493, 22967, 36091, 38885, 60095, 74305, 94435, 97465, 114835, 132209, 136451, 180455, 214423, 252637, 331381, 661045, 682255, 1072115, 1263185, 1500961, 1656905, 2319667, 3645191, 7504805, 11598335, 18225955, 25516337, 127581685]

約数ペア:

[(1, 127581685), (5, 25516337), (7, 18225955), (11, 11598335), (17, 7504805), (35, 3645191), (55, 2319667), (77, 1656905), (85, 1500961), (101, 1263185), (119, 1072115), (187, 682255), (193, 661045), (385, 331381), (505, 252637), (595, 214423), (707, 180455), (935, 136451), (965, 132209), (1111, 114835), (1309, 97465), (1351, 94435), (1717, 74305), (2123, 60095), (3281, 38885), (3535, 36091), (5555, 22967), (6545, 19493), (6755, 18887), (7777, 16405), (8585, 14861), (10615, 12019)]