212804984

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{5749}}^1$

素因数の和:6423

約数の個数: 32

約数和(自身を含む): 456780000

約数和(自身を除く): 243975016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 2644, 4627, 5288, 5749, 9254, 11498, 18508, 22996, 37016, 40243, 45992, 80486, 160972, 321944, 3800089, 7600178, 15200356, 26600623, 30400712, 53201246, 106402492, 212804984]

約数ペア:

[(1, 212804984), (2, 106402492), (4, 53201246), (7, 30400712), (8, 26600623), (14, 15200356), (28, 7600178), (56, 3800089), (661, 321944), (1322, 160972), (2644, 80486), (4627, 45992), (5288, 40243), (5749, 37016), (9254, 22996), (11498, 18508)]