128944842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{2579}}^1$

素因数の和:3238

約数の個数: 32

約数和(自身を含む): 278268480

約数和(自身を除く): 149323638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 641, 1282, 1923, 2579, 3846, 5158, 7737, 8333, 15474, 16666, 24999, 33527, 49998, 67054, 100581, 201162, 1653139, 3306278, 4959417, 9918834, 21490807, 42981614, 64472421, 128944842]

約数ペア:

[(1, 128944842), (2, 64472421), (3, 42981614), (6, 21490807), (13, 9918834), (26, 4959417), (39, 3306278), (78, 1653139), (641, 201162), (1282, 100581), (1923, 67054), (2579, 49998), (3846, 33527), (5158, 24999), (7737, 16666), (8333, 15474)]