258844288

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{15923}}^1$

素因数の和:16064

約数の個数: 32

約数和(自身を含む): 519759360

約数和(自身を除く): 260915072

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 15923, 16256, 31846, 63692, 127384, 254768, 509536, 1019072, 2022221, 2038144, 4044442, 8088884, 16177768, 32355536, 64711072, 129422144, 258844288]

約数ペア:

[(1, 258844288), (2, 129422144), (4, 64711072), (8, 32355536), (16, 16177768), (32, 8088884), (64, 4044442), (127, 2038144), (128, 2022221), (254, 1019072), (508, 509536), (1016, 254768), (2032, 127384), (4064, 63692), (8128, 31846), (15923, 16256)]