81316624

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{37097}}^1$

素因数の和:37242

約数の個数: 20

約数和(自身を含む): 158705244

約数和(自身を除く): 77388620

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 37097, 74194, 148388, 296776, 593552, 5082289, 10164578, 20329156, 40658312, 81316624]

約数ペア:

[(1, 81316624), (2, 40658312), (4, 20329156), (8, 10164578), (16, 5082289), (137, 593552), (274, 296776), (548, 148388), (1096, 74194), (2192, 37097)]