28401586

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{2521}}^1$

素因数の和:2697

約数の個数: 16

約数和(自身を含む): 43943328

約数和(自身を除く): 15541742

約数列:

[1, 2, 43, 86, 131, 262, 2521, 5042, 5633, 11266, 108403, 216806, 330251, 660502, 14200793, 28401586]

約数ペア:

[(1, 28401586), (2, 14200793), (43, 660502), (86, 330251), (131, 216806), (262, 108403), (2521, 11266), (5042, 5633)]