28808465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43321}}^1$

素因数の和:43352

約数の個数: 16

約数和(自身を含む): 41589120

約数和(自身を除く): 12780655

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 43321, 216605, 303247, 823099, 1516235, 4115495, 5761693, 28808465]

約数ペア:

[(1, 28808465), (5, 5761693), (7, 4115495), (19, 1516235), (35, 823099), (95, 303247), (133, 216605), (665, 43321)]