28405404

素因数分解:

$2^2\times 3^4\times {\mathrm{87671}}^1$

素因数の和:87687

約数の個数: 30

約数和(自身を含む): 74258184

約数和(自身を除く): 45852780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 87671, 175342, 263013, 350684, 526026, 789039, 1052052, 1578078, 2367117, 3156156, 4734234, 7101351, 9468468, 14202702, 28405404]

約数ペア:

[(1, 28405404), (2, 14202702), (3, 9468468), (4, 7101351), (6, 4734234), (9, 3156156), (12, 2367117), (18, 1578078), (27, 1052052), (36, 789039), (54, 526026), (81, 350684), (108, 263013), (162, 175342), (324, 87671)]