28221811

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 30170880

約数和(自身を除く): 1949069

約数列:

[1, 31, 53, 89, 193, 1643, 2759, 4717, 5983, 10229, 17177, 146227, 317099, 532487, 910381, 28221811]

約数ペア:

[(1, 28221811), (31, 910381), (53, 532487), (89, 317099), (193, 146227), (1643, 17177), (2759, 10229), (4717, 5983)]