1289716144

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{160253}}^1$

素因数の和:160764

約数の個数: 20

約数和(自身を含む): 2503808496

約数和(自身を除く): 1214092352

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 160253, 320506, 641012, 1282024, 2564048, 80607259, 161214518, 322429036, 644858072, 1289716144]

約数ペア:

[(1, 1289716144), (2, 644858072), (4, 322429036), (8, 161214518), (16, 80607259), (503, 2564048), (1006, 1282024), (2012, 641012), (4024, 320506), (8048, 160253)]