39904865

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 70326144

約数和(自身を除く): 30421279

約数列:

[1, 5, 7, 11, 13, 17, 35, 49, 55, 65, 67, 77, 85, 91, 119, 143, 187, 221, 245, 335, 385, 455, 469, 539, 595, 637, 715, 737, 833, 871, 935, 1001, 1105, 1139, 1309, 1547, 2345, 2431, 2695, 3185, 3283, 3685, 4165, 4355, 5005, 5159, 5695, 6097, 6545, 7007, 7735, 7973, 9163, 9581, 10829, 12155, 12529, 14807, 16415, 17017, 25795, 30485, 35035, 36113, 39865, 42679, 45815, 47905, 54145, 55811, 62645, 67067, 74035, 85085, 87703, 103649, 119119, 162877, 180565, 213395, 279055, 335335, 438515, 469469, 518245, 595595, 613921, 725543, 814385, 1140139, 2347345, 3069605, 3627715, 5700695, 7980973, 39904865]

約数ペア:

[(1, 39904865), (5, 7980973), (7, 5700695), (11, 3627715), (13, 3069605), (17, 2347345), (35, 1140139), (49, 814385), (55, 725543), (65, 613921), (67, 595595), (77, 518245), (85, 469469), (91, 438515), (119, 335335), (143, 279055), (187, 213395), (221, 180565), (245, 162877), (335, 119119), (385, 103649), (455, 87703), (469, 85085), (539, 74035), (595, 67067), (637, 62645), (715, 55811), (737, 54145), (833, 47905), (871, 45815), (935, 42679), (1001, 39865), (1105, 36113), (1139, 35035), (1309, 30485), (1547, 25795), (2345, 17017), (2431, 16415), (2695, 14807), (3185, 12529), (3283, 12155), (3685, 10829), (4165, 9581), (4355, 9163), (5005, 7973), (5159, 7735), (5695, 7007), (6097, 6545)]