28128518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{8581}}^1$

素因数の和:8743

約数の個数: 16

約数和(自身を含む): 46342800

約数和(自身を除く): 18214282

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 8581, 17162, 94391, 188782, 1278569, 2557138, 14064259, 28128518]

約数ペア:

[(1, 28128518), (2, 14064259), (11, 2557138), (22, 1278569), (149, 188782), (298, 94391), (1639, 17162), (3278, 8581)]