278004239

素因数分解:

${\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 291409920

約数和(自身を除く): 13405681

約数列:

[1, 53, 67, 79, 991, 3551, 4187, 5293, 52523, 66397, 78289, 280529, 3519041, 4149317, 5245363, 278004239]

約数ペア:

[(1, 278004239), (53, 5245363), (67, 4149317), (79, 3519041), (991, 280529), (3551, 78289), (4187, 66397), (5293, 52523)]