858705275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{42989}}^1$

素因数の和:43063

約数の個数: 24

約数和(自身を含む): 1151444160

約数和(自身を除く): 292738885

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 3995, 19975, 42989, 214945, 730813, 1074725, 2020483, 3654065, 10102415, 18270325, 34348211, 50512075, 171741055, 858705275]

約数ペア:

[(1, 858705275), (5, 171741055), (17, 50512075), (25, 34348211), (47, 18270325), (85, 10102415), (235, 3654065), (425, 2020483), (799, 1074725), (1175, 730813), (3995, 214945), (19975, 42989)]