128431492

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{47287}}^1$

素因数の和:47395

約数の個数: 24

約数和(自身を含む): 259516544

約数和(自身を除く): 131085052

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 47287, 94574, 189148, 331009, 662018, 1324036, 4586839, 9173678, 18347356, 32107873, 64215746, 128431492]

約数ペア:

[(1, 128431492), (2, 64215746), (4, 32107873), (7, 18347356), (14, 9173678), (28, 4586839), (97, 1324036), (194, 662018), (388, 331009), (679, 189148), (1358, 94574), (2716, 47287)]