28938965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 39427584

約数和(自身を除く): 10488619

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1543, 1705, 3751, 7715, 16973, 18755, 47833, 84865, 186703, 239165, 526163, 933515, 2630815, 5787793, 28938965]

約数ペア:

[(1, 28938965), (5, 5787793), (11, 2630815), (31, 933515), (55, 526163), (121, 239165), (155, 186703), (341, 84865), (605, 47833), (1543, 18755), (1705, 16973), (3751, 7715)]