218023855

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 308810880

約数和(自身を除く): 90787025

約数列:

[1, 5, 7, 35, 41, 137, 205, 287, 685, 959, 1109, 1435, 4795, 5545, 5617, 7763, 28085, 38815, 39319, 45469, 151933, 196595, 227345, 318283, 759665, 1063531, 1591415, 5317655, 6229253, 31146265, 43604771, 218023855]

約数ペア:

[(1, 218023855), (5, 43604771), (7, 31146265), (35, 6229253), (41, 5317655), (137, 1591415), (205, 1063531), (287, 759665), (685, 318283), (959, 227345), (1109, 196595), (1435, 151933), (4795, 45469), (5545, 39319), (5617, 38815), (7763, 28085)]