1296406955

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1\times {\mathrm{1117}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 1645901712

約数和(自身を除く): 349494757

約数列:

[1, 5, 19, 95, 361, 643, 1117, 1805, 3215, 5585, 12217, 21223, 61085, 106115, 232123, 403237, 718231, 1160615, 2016185, 3591155, 13646389, 68231945, 259281391, 1296406955]

約数ペア:

[(1, 1296406955), (5, 259281391), (19, 68231945), (95, 13646389), (361, 3591155), (643, 2016185), (1117, 1160615), (1805, 718231), (3215, 403237), (5585, 232123), (12217, 106115), (21223, 61085)]