202153259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 258785280

約数和(自身を除く): 56632021

約数列:

[1, 7, 11, 71, 77, 103, 359, 497, 721, 781, 1133, 2513, 3949, 5467, 7313, 7931, 25489, 27643, 36977, 51191, 80443, 178423, 258839, 280379, 406747, 563101, 1962653, 2625367, 2847229, 18377569, 28879037, 202153259]

約数ペア:

[(1, 202153259), (7, 28879037), (11, 18377569), (71, 2847229), (77, 2625367), (103, 1962653), (359, 563101), (497, 406747), (721, 280379), (781, 258839), (1133, 178423), (2513, 80443), (3949, 51191), (5467, 36977), (7313, 27643), (7931, 25489)]