28140707

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{631}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 33733632

約数和(自身を除く): 5592925

約数列:

[1, 7, 23, 161, 277, 631, 1939, 4417, 6371, 14513, 44597, 101591, 174787, 1223509, 4020101, 28140707]

約数ペア:

[(1, 28140707), (7, 4020101), (23, 1223509), (161, 174787), (277, 101591), (631, 44597), (1939, 14513), (4417, 6371)]