215681288

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{2903}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 417130560

約数和(自身を除く): 201449272

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 502, 1004, 2008, 2903, 5806, 9287, 11612, 18574, 23224, 37148, 74296, 107411, 214822, 429644, 728653, 859288, 1457306, 2914612, 5829224, 26960161, 53920322, 107840644, 215681288]

約数ペア:

[(1, 215681288), (2, 107840644), (4, 53920322), (8, 26960161), (37, 5829224), (74, 2914612), (148, 1457306), (251, 859288), (296, 728653), (502, 429644), (1004, 214822), (2008, 107411), (2903, 74296), (5806, 37148), (9287, 23224), (11612, 18574)]