28676893

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 33569280

約数和(自身を除く): 4892387

約数列:

[1, 7, 61, 239, 281, 427, 1673, 1967, 14579, 17141, 67159, 102053, 119987, 470113, 4096699, 28676893]

約数ペア:

[(1, 28676893), (7, 4096699), (61, 470113), (239, 119987), (281, 102053), (427, 67159), (1673, 17141), (1967, 14579)]