13278916

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 14662844

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 269, 287, 301, 538, 574, 602, 1076, 1148, 1204, 1763, 1883, 3526, 3766, 7052, 7532, 11029, 11567, 12341, 22058, 23134, 24682, 44116, 46268, 49364, 77203, 80969, 154406, 161938, 308812, 323876, 474247, 948494, 1896988, 3319729, 6639458, 13278916]

約数ペア:

[(1, 13278916), (2, 6639458), (4, 3319729), (7, 1896988), (14, 948494), (28, 474247), (41, 323876), (43, 308812), (82, 161938), (86, 154406), (164, 80969), (172, 77203), (269, 49364), (287, 46268), (301, 44116), (538, 24682), (574, 23134), (602, 22058), (1076, 12341), (1148, 11567), (1204, 11029), (1763, 7532), (1883, 7052), (3526, 3766)]