13278328

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3619

約数の個数: 32

約数和(自身を含む): 28886400

約数和(自身を除く): 15608072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3539, 3752, 7078, 14156, 24773, 28312, 49546, 99092, 198184, 237113, 474226, 948452, 1659791, 1896904, 3319582, 6639164, 13278328]

約数ペア:

[(1, 13278328), (2, 6639164), (4, 3319582), (7, 1896904), (8, 1659791), (14, 948452), (28, 474226), (56, 237113), (67, 198184), (134, 99092), (268, 49546), (469, 28312), (536, 24773), (938, 14156), (1876, 7078), (3539, 3752)]