28171025

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 36158400

約数和(自身を除く): 7987375

約数列:

[1, 5, 25, 59, 71, 269, 295, 355, 1345, 1475, 1775, 4189, 6725, 15871, 19099, 20945, 79355, 95495, 104725, 396775, 477475, 1126841, 5634205, 28171025]

約数ペア:

[(1, 28171025), (5, 5634205), (25, 1126841), (59, 477475), (71, 396775), (269, 104725), (295, 95495), (355, 79355), (1345, 20945), (1475, 19099), (1775, 15871), (4189, 6725)]