28543988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9137}}^1$

素因数の和:9223

約数の個数: 24

約数和(自身を含む): 55266624

約数和(自身を除く): 26722636

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9137, 18274, 36548, 100507, 201014, 402028, 648727, 1297454, 2594908, 7135997, 14271994, 28543988]

約数ペア:

[(1, 28543988), (2, 14271994), (4, 7135997), (11, 2594908), (22, 1297454), (44, 648727), (71, 402028), (142, 201014), (284, 100507), (781, 36548), (1562, 18274), (3124, 9137)]