128864144

素因数分解:

$2^4\times {\mathrm{1787}}^1\times {\mathrm{4507}}^1$

素因数の和:6302

約数の個数: 20

約数和(自身を含む): 249869424

約数和(自身を除く): 121005280

約数列:

[1, 2, 4, 8, 16, 1787, 3574, 4507, 7148, 9014, 14296, 18028, 28592, 36056, 72112, 8054009, 16108018, 32216036, 64432072, 128864144]

約数ペア:

[(1, 128864144), (2, 64432072), (4, 32216036), (8, 16108018), (16, 8054009), (1787, 72112), (3574, 36056), (4507, 28592), (7148, 18028), (9014, 14296)]