2078253478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7812983}}^1$

素因数の和:7813011

約数の個数: 16

約数和(自身を含む): 3750232320

約数和(自身を除く): 1671978842

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 7812983, 15625966, 54690881, 109381762, 148446677, 296893354, 1039126739, 2078253478]

約数ペア:

[(1, 2078253478), (2, 1039126739), (7, 296893354), (14, 148446677), (19, 109381762), (38, 54690881), (133, 15625966), (266, 7812983)]