289201855

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{1373}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 351524160

約数和(自身を除く): 62322305

約数列:

[1, 5, 103, 409, 515, 1373, 2045, 6865, 42127, 141419, 210635, 561557, 707095, 2807785, 57840371, 289201855]

約数ペア:

[(1, 289201855), (5, 57840371), (103, 2807785), (409, 707095), (515, 561557), (1373, 210635), (2045, 141419), (6865, 42127)]