215865776

素因数分解:

$2^4\times 7^2\times {\mathrm{275339}}^1$

素因数の和:275361

約数の個数: 30

約数和(自身を含む): 486525780

約数和(自身を除く): 270660004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 275339, 550678, 1101356, 1927373, 2202712, 3854746, 4405424, 7709492, 13491611, 15418984, 26983222, 30837968, 53966444, 107932888, 215865776]

約数ペア:

[(1, 215865776), (2, 107932888), (4, 53966444), (7, 30837968), (8, 26983222), (14, 15418984), (16, 13491611), (28, 7709492), (49, 4405424), (56, 3854746), (98, 2202712), (112, 1927373), (196, 1101356), (392, 550678), (784, 275339)]