1388890782

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1086769}}^1$

素因数の和:1086848

約数の個数: 24

約数和(自身を含む): 3051650160

約数和(自身を除く): 1662759378

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 1086769, 2173538, 3260307, 6520614, 9780921, 19561842, 77160599, 154321198, 231481797, 462963594, 694445391, 1388890782]

約数ペア:

[(1, 1388890782), (2, 694445391), (3, 462963594), (6, 231481797), (9, 154321198), (18, 77160599), (71, 19561842), (142, 9780921), (213, 6520614), (426, 3260307), (639, 2173538), (1278, 1086769)]