28067015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4001}}^1$

素因数の和:4090

約数の個数: 16

約数和(自身を含む): 35729856

約数和(自身を除く): 7662841

約数列:

[1, 5, 23, 61, 115, 305, 1403, 4001, 7015, 20005, 92023, 244061, 460115, 1220305, 5613403, 28067015]

約数ペア:

[(1, 28067015), (5, 5613403), (23, 1220305), (61, 460115), (115, 244061), (305, 92023), (1403, 20005), (4001, 7015)]