187996921

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1\times {\mathrm{467}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 217451520

約数和(自身を除く): 29454599

約数列:

[1, 7, 131, 439, 467, 917, 3073, 3269, 57509, 61177, 205013, 402563, 428239, 1435091, 26856703, 187996921]

約数ペア:

[(1, 187996921), (7, 26856703), (131, 1435091), (439, 428239), (467, 402563), (917, 205013), (3073, 61177), (3269, 57509)]