520055755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 672841728

約数和(自身を除く): 152785973

約数列:

[1, 5, 17, 85, 103, 191, 311, 515, 955, 1555, 1751, 3247, 5287, 8755, 16235, 19673, 26435, 32033, 59401, 98365, 160165, 297005, 334441, 544561, 1009817, 1672205, 2722805, 5049085, 6118303, 30591515, 104011151, 520055755]

約数ペア:

[(1, 520055755), (5, 104011151), (17, 30591515), (85, 6118303), (103, 5049085), (191, 2722805), (311, 1672205), (515, 1009817), (955, 544561), (1555, 334441), (1751, 297005), (3247, 160165), (5287, 98365), (8755, 59401), (16235, 32033), (19673, 26435)]