28901564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 53717328

約数和(自身を除く): 24815764

約数列:

[1, 2, 4, 17, 34, 68, 643, 661, 1286, 1322, 2572, 2644, 10931, 11237, 21862, 22474, 43724, 44948, 425023, 850046, 1700092, 7225391, 14450782, 28901564]

約数ペア:

[(1, 28901564), (2, 14450782), (4, 7225391), (17, 1700092), (34, 850046), (68, 425023), (643, 44948), (661, 43724), (1286, 22474), (1322, 21862), (2572, 11237), (2644, 10931)]