680369854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{208319}}^1$

素因数の和:208415

約数の個数: 16

約数和(自身を含む): 1079930880

約数和(自身を除く): 399561026

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 208319, 416638, 4791337, 9582674, 14790649, 29581298, 340184927, 680369854]

約数ペア:

[(1, 680369854), (2, 340184927), (23, 29581298), (46, 14790649), (71, 9582674), (142, 4791337), (1633, 416638), (3266, 208319)]