776989078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{280097}}^1$

素因数の和:280191

約数の個数: 16

約数和(自身を含む): 1243635120

約数和(自身を除く): 466646042

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 280097, 560194, 5321843, 10643686, 20447081, 40894162, 388494539, 776989078]

約数ペア:

[(1, 776989078), (2, 388494539), (19, 40894162), (38, 20447081), (73, 10643686), (146, 5321843), (1387, 560194), (2774, 280097)]