28027265

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 39453120

約数和(自身を除く): 11425855

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 823, 973, 4115, 4865, 5761, 6811, 28805, 34055, 40327, 114397, 201635, 571985, 800779, 4003895, 5605453, 28027265]

約数ペア:

[(1, 28027265), (5, 5605453), (7, 4003895), (35, 800779), (49, 571985), (139, 201635), (245, 114397), (695, 40327), (823, 34055), (973, 28805), (4115, 6811), (4865, 5761)]