2347345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 3907008

約数和(自身を除く): 1559663

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 67, 77, 91, 143, 245, 335, 385, 455, 469, 539, 637, 715, 737, 871, 1001, 2345, 2695, 3185, 3283, 3685, 4355, 5005, 5159, 6097, 7007, 9581, 16415, 25795, 30485, 35035, 36113, 42679, 47905, 67067, 180565, 213395, 335335, 469469, 2347345]

約数ペア:

[(1, 2347345), (5, 469469), (7, 335335), (11, 213395), (13, 180565), (35, 67067), (49, 47905), (55, 42679), (65, 36113), (67, 35035), (77, 30485), (91, 25795), (143, 16415), (245, 9581), (335, 7007), (385, 6097), (455, 5159), (469, 5005), (539, 4355), (637, 3685), (715, 3283), (737, 3185), (871, 2695), (1001, 2345)]