1978889486

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{21557}}^1$

素因数の和:21728

約数の個数: 32

約数和(自身を含む): 3476874240

約数和(自身を除く): 1497984754

約数列:

[1, 2, 7, 14, 79, 83, 158, 166, 553, 581, 1106, 1162, 6557, 13114, 21557, 43114, 45899, 91798, 150899, 301798, 1703003, 1789231, 3406006, 3578462, 11921021, 12524617, 23842042, 25049234, 141349249, 282698498, 989444743, 1978889486]

約数ペア:

[(1, 1978889486), (2, 989444743), (7, 282698498), (14, 141349249), (79, 25049234), (83, 23842042), (158, 12524617), (166, 11921021), (553, 3578462), (581, 3406006), (1106, 1789231), (1162, 1703003), (6557, 301798), (13114, 150899), (21557, 91798), (43114, 45899)]