28711490

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{9173}}^1$

素因数の和:9493

約数の個数: 16

約数和(自身を含む): 51851448

約数和(自身を除く): 23139958

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 9173, 18346, 45865, 91730, 2871149, 5742298, 14355745, 28711490]

約数ペア:

[(1, 28711490), (2, 14355745), (5, 5742298), (10, 2871149), (313, 91730), (626, 45865), (1565, 18346), (3130, 9173)]