16408340207

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{28631}}^1$

素因数の和:28827

約数の個数: 32

約数和(自身を含む): 20523417600

約数和(自身を除く): 4115077393

約数列:

[1, 7, 19, 31, 133, 139, 217, 589, 973, 2641, 4123, 4309, 18487, 28631, 30163, 81871, 200417, 543989, 573097, 887561, 3807923, 3979709, 6212927, 16863659, 27857963, 75614471, 118045613, 123370979, 529301297, 863596853, 2344048601, 16408340207]

約数ペア:

[(1, 16408340207), (7, 2344048601), (19, 863596853), (31, 529301297), (133, 123370979), (139, 118045613), (217, 75614471), (589, 27857963), (973, 16863659), (2641, 6212927), (4123, 3979709), (4309, 3807923), (18487, 887561), (28631, 573097), (30163, 543989), (81871, 200417)]