66191405

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 97029504

約数和(自身を除く): 30838099

約数列:

[1, 5, 7, 35, 43, 49, 61, 103, 215, 245, 301, 305, 427, 515, 721, 1505, 2107, 2135, 2623, 2989, 3605, 4429, 5047, 6283, 10535, 13115, 14945, 18361, 22145, 25235, 31003, 31415, 43981, 91805, 128527, 155015, 217021, 219905, 270169, 307867, 642635, 1085105, 1350845, 1539335, 1891183, 9455915, 13238281, 66191405]

約数ペア:

[(1, 66191405), (5, 13238281), (7, 9455915), (35, 1891183), (43, 1539335), (49, 1350845), (61, 1085105), (103, 642635), (215, 307867), (245, 270169), (301, 219905), (305, 217021), (427, 155015), (515, 128527), (721, 91805), (1505, 43981), (2107, 31415), (2135, 31003), (2623, 25235), (2989, 22145), (3605, 18361), (4429, 14945), (5047, 13115), (6283, 10535)]