28457252

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 53639040

約数和(自身を除く): 25181788

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 239, 289, 412, 478, 578, 956, 1156, 1751, 3502, 4063, 7004, 8126, 16252, 24617, 29767, 49234, 59534, 69071, 98468, 119068, 138142, 276284, 418489, 836978, 1673956, 7114313, 14228626, 28457252]

約数ペア:

[(1, 28457252), (2, 14228626), (4, 7114313), (17, 1673956), (34, 836978), (68, 418489), (103, 276284), (206, 138142), (239, 119068), (289, 98468), (412, 69071), (478, 59534), (578, 49234), (956, 29767), (1156, 24617), (1751, 16252), (3502, 8126), (4063, 7004)]