28274508

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1569

約数の個数: 72

約数和(自身を含む): 78070720

約数和(自身を除く): 49796212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1531, 1539, 2052, 3062, 3078, 4593, 4617, 6124, 6156, 9186, 9234, 13779, 18372, 18468, 27558, 29089, 41337, 55116, 58178, 82674, 87267, 116356, 124011, 165348, 174534, 248022, 261801, 349068, 372033, 496044, 523602, 744066, 785403, 1047204, 1488132, 1570806, 2356209, 3141612, 4712418, 7068627, 9424836, 14137254, 28274508]

約数ペア:

[(1, 28274508), (2, 14137254), (3, 9424836), (4, 7068627), (6, 4712418), (9, 3141612), (12, 2356209), (18, 1570806), (19, 1488132), (27, 1047204), (36, 785403), (38, 744066), (54, 523602), (57, 496044), (76, 372033), (81, 349068), (108, 261801), (114, 248022), (162, 174534), (171, 165348), (228, 124011), (243, 116356), (324, 87267), (342, 82674), (486, 58178), (513, 55116), (684, 41337), (972, 29089), (1026, 27558), (1531, 18468), (1539, 18372), (2052, 13779), (3062, 9234), (3078, 9186), (4593, 6156), (4617, 6124)]