859625815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 1091750400

約数和(自身を除く): 232124585

約数列:

[1, 5, 31, 53, 155, 265, 269, 389, 1345, 1643, 1945, 8215, 8339, 12059, 14257, 20617, 41695, 60295, 71285, 103085, 104641, 441967, 523205, 639127, 2209835, 3195635, 3243871, 5545973, 16219355, 27729865, 171925163, 859625815]

約数ペア:

[(1, 859625815), (5, 171925163), (31, 27729865), (53, 16219355), (155, 5545973), (265, 3243871), (269, 3195635), (389, 2209835), (1345, 639127), (1643, 523205), (1945, 441967), (8215, 104641), (8339, 103085), (12059, 71285), (14257, 60295), (20617, 41695)]