128839298

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 225358848

約数和(自身を除く): 96519550

約数列:

[1, 2, 7, 14, 71, 142, 227, 454, 497, 571, 994, 1142, 1589, 3178, 3997, 7994, 16117, 32234, 40541, 81082, 112819, 129617, 225638, 259234, 283787, 567574, 907319, 1814638, 9202807, 18405614, 64419649, 128839298]

約数ペア:

[(1, 128839298), (2, 64419649), (7, 18405614), (14, 9202807), (71, 1814638), (142, 907319), (227, 567574), (454, 283787), (497, 259234), (571, 225638), (994, 129617), (1142, 112819), (1589, 81082), (3178, 40541), (3997, 32234), (7994, 16117)]