64788955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 108241920

約数和(自身を除く): 43452965

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 133, 187, 209, 323, 385, 521, 595, 665, 935, 1045, 1309, 1463, 1615, 2261, 2605, 3553, 3647, 5731, 6545, 7315, 8857, 9899, 11305, 17765, 18235, 24871, 28655, 40117, 44285, 49495, 61999, 69293, 97427, 108889, 124355, 168283, 200585, 309995, 346465, 487135, 544445, 681989, 762223, 841415, 1177981, 1851113, 3409945, 3811115, 5889905, 9255565, 12957791, 64788955]

約数ペア:

[(1, 64788955), (5, 12957791), (7, 9255565), (11, 5889905), (17, 3811115), (19, 3409945), (35, 1851113), (55, 1177981), (77, 841415), (85, 762223), (95, 681989), (119, 544445), (133, 487135), (187, 346465), (209, 309995), (323, 200585), (385, 168283), (521, 124355), (595, 108889), (665, 97427), (935, 69293), (1045, 61999), (1309, 49495), (1463, 44285), (1615, 40117), (2261, 28655), (2605, 24871), (3553, 18235), (3647, 17765), (5731, 11305), (6545, 9899), (7315, 8857)]