157657985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{19309}}^1$

素因数の和:19408

約数の個数: 16

約数和(自身を含む): 200206080

約数和(自身を除く): 42548095

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 19309, 96545, 444107, 1370939, 2220535, 6854695, 31531597, 157657985]

約数ペア:

[(1, 157657985), (5, 31531597), (23, 6854695), (71, 2220535), (115, 1370939), (355, 444107), (1633, 96545), (8165, 19309)]