7980973

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 11721024

約数和(自身を除く): 3740051

約数列:

[1, 7, 11, 13, 17, 49, 67, 77, 91, 119, 143, 187, 221, 469, 539, 637, 737, 833, 871, 1001, 1139, 1309, 1547, 2431, 3283, 5159, 6097, 7007, 7973, 9163, 9581, 10829, 12529, 14807, 17017, 36113, 42679, 55811, 67067, 87703, 103649, 119119, 162877, 469469, 613921, 725543, 1140139, 7980973]

約数ペア:

[(1, 7980973), (7, 1140139), (11, 725543), (13, 613921), (17, 469469), (49, 162877), (67, 119119), (77, 103649), (91, 87703), (119, 67067), (143, 55811), (187, 42679), (221, 36113), (469, 17017), (539, 14807), (637, 12529), (737, 10829), (833, 9581), (871, 9163), (1001, 7973), (1139, 7007), (1309, 6097), (1547, 5159), (2431, 3283)]