12821468272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47137751}}^1$

素因数の和:47137776

約数の個数: 20

約数和(自身を含む): 26302865616

約数和(自身を除く): 13481397344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 47137751, 94275502, 188551004, 377102008, 754204016, 801341767, 1602683534, 3205367068, 6410734136, 12821468272]

約数ペア:

[(1, 12821468272), (2, 6410734136), (4, 3205367068), (8, 1602683534), (16, 801341767), (17, 754204016), (34, 377102008), (68, 188551004), (136, 94275502), (272, 47137751)]