131889772

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{15649}}^1$

素因数の和:15710

約数の個数: 36

約数和(自身を含む): 274751400

約数和(自身を除く): 142861628

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 15649, 31298, 62596, 109543, 219086, 438172, 672907, 766801, 1345814, 1533602, 2691628, 3067204, 4710349, 9420698, 18841396, 32972443, 65944886, 131889772]

約数ペア:

[(1, 131889772), (2, 65944886), (4, 32972443), (7, 18841396), (14, 9420698), (28, 4710349), (43, 3067204), (49, 2691628), (86, 1533602), (98, 1345814), (172, 766801), (196, 672907), (301, 438172), (602, 219086), (1204, 109543), (2107, 62596), (4214, 31298), (8428, 15649)]