90217655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 124236288

約数和(自身を除く): 34018633

約数列:

[1, 5, 11, 37, 43, 55, 185, 215, 407, 473, 1031, 1591, 2035, 2365, 5155, 7955, 11341, 17501, 38147, 44333, 56705, 87505, 190735, 221665, 419617, 487663, 1640321, 2098085, 2438315, 8201605, 18043531, 90217655]

約数ペア:

[(1, 90217655), (5, 18043531), (11, 8201605), (37, 2438315), (43, 2098085), (55, 1640321), (185, 487663), (215, 419617), (407, 221665), (473, 190735), (1031, 87505), (1591, 56705), (2035, 44333), (2365, 38147), (5155, 17501), (7955, 11341)]