128132912

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{21821}}^1$

素因数の和:22196

約数の個数: 20

約数和(自身を含む): 248945376

約数和(自身を除く): 120812464

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 5872, 21821, 43642, 87284, 174568, 349136, 8008307, 16016614, 32033228, 64066456, 128132912]

約数ペア:

[(1, 128132912), (2, 64066456), (4, 32033228), (8, 16016614), (16, 8008307), (367, 349136), (734, 174568), (1468, 87284), (2936, 43642), (5872, 21821)]