11871605

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 14819328

約数和(自身を除く): 2947723

約数列:

[1, 5, 31, 155, 191, 401, 955, 2005, 5921, 12431, 29605, 62155, 76591, 382955, 2374321, 11871605]

約数ペア:

[(1, 11871605), (5, 2374321), (31, 382955), (155, 76591), (191, 62155), (401, 29605), (955, 12431), (2005, 5921)]