128447152

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{40751}}^1$

素因数の和:40956

約数の個数: 20

約数和(自身を含む): 250135776

約数和(自身を除く): 121688624

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 40751, 81502, 163004, 326008, 652016, 8027947, 16055894, 32111788, 64223576, 128447152]

約数ペア:

[(1, 128447152), (2, 64223576), (4, 32111788), (8, 16055894), (16, 8027947), (197, 652016), (394, 326008), (788, 163004), (1576, 81502), (3152, 40751)]