28791295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10301}}^1$

素因数の和:10362

約数の個数: 16

約数和(自身を含む): 38076192

約数和(自身を除く): 9284897

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 10301, 51505, 133913, 442943, 669565, 2214715, 5758259, 28791295]

約数ペア:

[(1, 28791295), (5, 5758259), (13, 2214715), (43, 669565), (65, 442943), (215, 133913), (559, 51505), (2795, 10301)]