157831289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{15647}}^1$

素因数の和:15796

約数の個数: 16

約数和(自身を含む): 198291456

約数和(自身を除く): 40460167

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 15647, 109529, 172117, 1204819, 2049757, 14348299, 22547327, 157831289]

約数ペア:

[(1, 157831289), (7, 22547327), (11, 14348299), (77, 2049757), (131, 1204819), (917, 172117), (1441, 109529), (10087, 15647)]