131586728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{180751}}^1$

素因数の和:180777

約数の個数: 32

約数和(自身を含む): 303663360

約数和(自身を除く): 172076632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 180751, 361502, 723004, 1265257, 1446008, 2349763, 2530514, 4699526, 5061028, 9399052, 10122056, 16448341, 18798104, 32896682, 65793364, 131586728]

約数ペア:

[(1, 131586728), (2, 65793364), (4, 32896682), (7, 18798104), (8, 16448341), (13, 10122056), (14, 9399052), (26, 5061028), (28, 4699526), (52, 2530514), (56, 2349763), (91, 1446008), (104, 1265257), (182, 723004), (364, 361502), (728, 180751)]