28552223

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1627}}^1$

素因数の和:1766

約数の個数: 16

約数和(自身を含む): 34383360

約数和(自身を除く): 5831137

約数列:

[1, 7, 23, 109, 161, 763, 1627, 2507, 11389, 17549, 37421, 177343, 261947, 1241401, 4078889, 28552223]

約数ペア:

[(1, 28552223), (7, 4078889), (23, 1241401), (109, 261947), (161, 177343), (763, 37421), (1627, 17549), (2507, 11389)]