201628427

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 274627584

約数和(自身を除く): 72999157

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 497, 781, 923, 1001, 2837, 5467, 6461, 10153, 19859, 31207, 36881, 71071, 201427, 218449, 258167, 405691, 1409989, 2215697, 2618551, 2839837, 15509879, 18329857, 28804061, 201628427]

約数ペア:

[(1, 201628427), (7, 28804061), (11, 18329857), (13, 15509879), (71, 2839837), (77, 2618551), (91, 2215697), (143, 1409989), (497, 405691), (781, 258167), (923, 218449), (1001, 201427), (2837, 71071), (5467, 36881), (6461, 31207), (10153, 19859)]