28404985

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12113}}^1$

素因数の和:12192

約数の個数: 16

約数和(自身を含む): 39540096

約数和(自身を除く): 11135111

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 12113, 60565, 84791, 423955, 811571, 4057855, 5680997, 28404985]

約数ペア:

[(1, 28404985), (5, 5680997), (7, 4057855), (35, 811571), (67, 423955), (335, 84791), (469, 60565), (2345, 12113)]