157421954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2\times {\mathrm{523}}^1$

素因数の和:722

約数の個数: 24

約数和(自身を含む): 251865840

約数和(自身を除く): 94443886

約数列:

[1, 2, 19, 38, 89, 178, 523, 1046, 1691, 3382, 7921, 9937, 15842, 19874, 46547, 93094, 150499, 300998, 884393, 1768786, 4142683, 8285366, 78710977, 157421954]

約数ペア:

[(1, 157421954), (2, 78710977), (19, 8285366), (38, 4142683), (89, 1768786), (178, 884393), (523, 300998), (1046, 150499), (1691, 93094), (3382, 46547), (7921, 19874), (9937, 15842)]