1661566288

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{247847}}^1$

素因数の和:248274

約数の個数: 20

約数和(自身を含む): 3226980960

約数和(自身を除く): 1565414672

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 247847, 495694, 991388, 1982776, 3965552, 103847893, 207695786, 415391572, 830783144, 1661566288]

約数ペア:

[(1, 1661566288), (2, 830783144), (4, 415391572), (8, 207695786), (16, 103847893), (419, 3965552), (838, 1982776), (1676, 991388), (3352, 495694), (6704, 247847)]