256880078

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1411429}}^1$

素因数の和:1411451

約数の個数: 16

約数和(自身を含む): 474240480

約数和(自身を除く): 217360402

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 1411429, 2822858, 9880003, 18348577, 19760006, 36697154, 128440039, 256880078]

約数ペア:

[(1, 256880078), (2, 128440039), (7, 36697154), (13, 19760006), (14, 18348577), (26, 9880003), (91, 2822858), (182, 1411429)]