28771769

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 33158160

約数和(自身を除く): 4386391

約数列:

[1, 13, 17, 101, 221, 1289, 1313, 1717, 16757, 21913, 22321, 130189, 284869, 1692457, 2213213, 28771769]

約数ペア:

[(1, 28771769), (13, 2213213), (17, 1692457), (101, 284869), (221, 130189), (1289, 22321), (1313, 21913), (1717, 16757)]