208763906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1571}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 356529600

約数和(自身を除く): 147765694

約数列:

[1, 2, 13, 19, 26, 38, 247, 269, 494, 538, 1571, 3142, 3497, 5111, 6994, 10222, 20423, 29849, 40846, 59698, 66443, 132886, 388037, 422599, 776074, 845198, 5493787, 8029381, 10987574, 16058762, 104381953, 208763906]

約数ペア:

[(1, 208763906), (2, 104381953), (13, 16058762), (19, 10987574), (26, 8029381), (38, 5493787), (247, 845198), (269, 776074), (494, 422599), (538, 388037), (1571, 132886), (3142, 66443), (3497, 59698), (5111, 40846), (6994, 29849), (10222, 20423)]