28019882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 24

約数和(自身を含む): 46681920

約数和(自身を除く): 18662038

約数列:

[1, 2, 11, 22, 73, 146, 239, 478, 803, 1606, 2629, 5258, 5329, 10658, 17447, 34894, 58619, 117238, 191917, 383834, 1273631, 2547262, 14009941, 28019882]

約数ペア:

[(1, 28019882), (2, 14009941), (11, 2547262), (22, 1273631), (73, 383834), (146, 191917), (239, 117238), (478, 58619), (803, 34894), (1606, 17447), (2629, 10658), (5258, 5329)]