123921328

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{164789}}^1$

素因数の和:164844

約数の個数: 20

約数和(自身を含む): 245207520

約数和(自身を除く): 121286192

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 164789, 329578, 659156, 1318312, 2636624, 7745083, 15490166, 30980332, 61960664, 123921328]

約数ペア:

[(1, 123921328), (2, 61960664), (4, 30980332), (8, 15490166), (16, 7745083), (47, 2636624), (94, 1318312), (188, 659156), (376, 329578), (752, 164789)]