217128016

素因数分解:

$2^4\times 7^2\times {\mathrm{276949}}^1$

素因数の和:276971

約数の個数: 30

約数和(自身を含む): 489370650

約数和(自身を除く): 272242634

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 276949, 553898, 1107796, 1938643, 2215592, 3877286, 4431184, 7754572, 13570501, 15509144, 27141002, 31018288, 54282004, 108564008, 217128016]

約数ペア:

[(1, 217128016), (2, 108564008), (4, 54282004), (7, 31018288), (8, 27141002), (14, 15509144), (16, 13570501), (28, 7754572), (49, 4431184), (56, 3877286), (98, 2215592), (112, 1938643), (196, 1107796), (392, 553898), (784, 276949)]