142780442

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{68447}}^1$

素因数の和:68605

約数の個数: 16

約数和(自身を含む): 246412800

約数和(自身を除く): 103632358

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 68447, 136894, 479129, 958258, 10198603, 20397206, 71390221, 142780442]

約数ペア:

[(1, 142780442), (2, 71390221), (7, 20397206), (14, 10198603), (149, 958258), (298, 479129), (1043, 136894), (2086, 68447)]