199764586

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 380090880

約数和(自身を除く): 180326294

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 103, 119, 203, 206, 238, 281, 406, 493, 562, 721, 986, 1442, 1751, 1967, 2987, 3451, 3502, 3934, 4777, 5974, 6902, 8149, 9554, 12257, 16298, 20909, 24514, 28943, 33439, 41818, 50779, 57043, 57886, 66878, 101558, 114086, 138533, 202601, 277066, 355453, 405202, 492031, 710906, 839347, 969731, 984062, 1678694, 1939462, 3444217, 5875429, 6888434, 11750858, 14268899, 28537798, 99882293, 199764586]

約数ペア:

[(1, 199764586), (2, 99882293), (7, 28537798), (14, 14268899), (17, 11750858), (29, 6888434), (34, 5875429), (58, 3444217), (103, 1939462), (119, 1678694), (203, 984062), (206, 969731), (238, 839347), (281, 710906), (406, 492031), (493, 405202), (562, 355453), (721, 277066), (986, 202601), (1442, 138533), (1751, 114086), (1967, 101558), (2987, 66878), (3451, 57886), (3502, 57043), (3934, 50779), (4777, 41818), (5974, 33439), (6902, 28943), (8149, 24514), (9554, 20909), (12257, 16298)]