28728955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 36267264

約数和(自身を除く): 7538309

約数列:

[1, 5, 23, 115, 131, 655, 1907, 3013, 9535, 15065, 43861, 219305, 249817, 1249085, 5745791, 28728955]

約数ペア:

[(1, 28728955), (5, 5745791), (23, 1249085), (115, 249817), (131, 219305), (655, 43861), (1907, 15065), (3013, 9535)]