409040048

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{39883}}^1$

素因数の和:40532

約数の個数: 20

約数和(自身を含む): 793771368

約数和(自身を除く): 384731320

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 39883, 79766, 159532, 319064, 638128, 25565003, 51130006, 102260012, 204520024, 409040048]

約数ペア:

[(1, 409040048), (2, 204520024), (4, 102260012), (8, 51130006), (16, 25565003), (641, 638128), (1282, 319064), (2564, 159532), (5128, 79766), (10256, 39883)]