239308628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{42221}}^1$

素因数の和:42347

約数の個数: 24

約数和(自身を含む): 455153160

約数和(自身を除く): 215844532

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 42221, 84442, 168884, 548873, 1097746, 2195492, 4602089, 9204178, 18408356, 59827157, 119654314, 239308628]

約数ペア:

[(1, 239308628), (2, 119654314), (4, 59827157), (13, 18408356), (26, 9204178), (52, 4602089), (109, 2195492), (218, 1097746), (436, 548873), (1417, 168884), (2834, 84442), (5668, 42221)]