1729121255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 2398076928

約数和(自身を除く): 668955673

約数列:

[1, 5, 17, 23, 31, 85, 103, 115, 155, 277, 391, 515, 527, 713, 1385, 1751, 1955, 2369, 2635, 3193, 3565, 4709, 6371, 8587, 8755, 11845, 12121, 15965, 23545, 28531, 31855, 40273, 42935, 54281, 60605, 73439, 108307, 142655, 145979, 197501, 201365, 271405, 367195, 485027, 541535, 656213, 729895, 884461, 987505, 1248463, 2425135, 3281065, 3357517, 4422305, 6242315, 11155621, 15035837, 16787585, 20342603, 55778105, 75179185, 101713015, 345824251, 1729121255]

約数ペア:

[(1, 1729121255), (5, 345824251), (17, 101713015), (23, 75179185), (31, 55778105), (85, 20342603), (103, 16787585), (115, 15035837), (155, 11155621), (277, 6242315), (391, 4422305), (515, 3357517), (527, 3281065), (713, 2425135), (1385, 1248463), (1751, 987505), (1955, 884461), (2369, 729895), (2635, 656213), (3193, 541535), (3565, 485027), (4709, 367195), (6371, 271405), (8587, 201365), (8755, 197501), (11845, 145979), (12121, 142655), (15965, 108307), (23545, 73439), (28531, 60605), (31855, 54281), (40273, 42935)]