261002812

素因数分解:

$2^2\times 7^2\times {\mathrm{1331647}}^1$

素因数の和:1331665

約数の個数: 18

約数和(自身を含む): 531327552

約数和(自身を除く): 270324740

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1331647, 2663294, 5326588, 9321529, 18643058, 37286116, 65250703, 130501406, 261002812]

約数ペア:

[(1, 261002812), (2, 130501406), (4, 65250703), (7, 37286116), (14, 18643058), (28, 9321529), (49, 5326588), (98, 2663294), (196, 1331647)]