191528545

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 268790400

約数和(自身を除く): 77261855

約数列:

[1, 5, 13, 17, 65, 67, 85, 169, 199, 221, 335, 845, 871, 995, 1105, 1139, 2587, 2873, 3383, 4355, 5695, 11323, 12935, 13333, 14365, 14807, 16915, 33631, 43979, 56615, 66665, 74035, 168155, 173329, 192491, 219895, 226661, 571727, 866645, 962455, 1133305, 2253277, 2858635, 2946593, 11266385, 14732965, 38305709, 191528545]

約数ペア:

[(1, 191528545), (5, 38305709), (13, 14732965), (17, 11266385), (65, 2946593), (67, 2858635), (85, 2253277), (169, 1133305), (199, 962455), (221, 866645), (335, 571727), (845, 226661), (871, 219895), (995, 192491), (1105, 173329), (1139, 168155), (2587, 74035), (2873, 66665), (3383, 56615), (4355, 43979), (5695, 33631), (11323, 16915), (12935, 14807), (13333, 14365)]