28728133

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3628

約数の個数: 16

約数和(自身を含む): 35136640

約数和(自身を除く): 6408507

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3541, 8113, 24787, 67279, 216001, 470953, 1512007, 4104019, 28728133]

約数ペア:

[(1, 28728133), (7, 4104019), (19, 1512007), (61, 470953), (133, 216001), (427, 67279), (1159, 24787), (3541, 8113)]