28791878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{12421}}^1$

素因数の和:12503

約数の個数: 16

約数和(自身を含む): 46209840

約数和(自身を除く): 17417962

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 12421, 24842, 235999, 471998, 757681, 1515362, 14395939, 28791878]

約数ペア:

[(1, 28791878), (2, 14395939), (19, 1515362), (38, 757681), (61, 471998), (122, 235999), (1159, 24842), (2318, 12421)]