28971605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19379}}^1$

素因数の和:19420

約数の個数: 16

約数和(自身を含む): 39070080

約数和(自身を除く): 10098475

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 19379, 96895, 251927, 445717, 1259635, 2228585, 5794321, 28971605]

約数ペア:

[(1, 28971605), (5, 5794321), (13, 2228585), (23, 1259635), (65, 445717), (115, 251927), (299, 96895), (1495, 19379)]