28065779

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 33907248

約数和(自身を除く): 5841469

約数列:

[1, 7, 49, 53, 101, 107, 371, 707, 749, 2597, 4949, 5243, 5353, 5671, 10807, 37471, 39697, 75649, 262297, 277879, 529543, 572771, 4009397, 28065779]

約数ペア:

[(1, 28065779), (7, 4009397), (49, 572771), (53, 529543), (101, 277879), (107, 262297), (371, 75649), (707, 39697), (749, 37471), (2597, 10807), (4949, 5671), (5243, 5353)]