666929984

素因数分解:

$2^6\times 7^2\times {\mathrm{212669}}^1$

素因数の和:212695

約数の個数: 42

約数和(自身を含む): 1539518130

約数和(自身を除く): 872588146

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 212669, 425338, 850676, 1488683, 1701352, 2977366, 3402704, 5954732, 6805408, 10420781, 11909464, 13610816, 20841562, 23818928, 41683124, 47637856, 83366248, 95275712, 166732496, 333464992, 666929984]

約数ペア:

[(1, 666929984), (2, 333464992), (4, 166732496), (7, 95275712), (8, 83366248), (14, 47637856), (16, 41683124), (28, 23818928), (32, 20841562), (49, 13610816), (56, 11909464), (64, 10420781), (98, 6805408), (112, 5954732), (196, 3402704), (224, 2977366), (392, 1701352), (448, 1488683), (784, 850676), (1568, 425338), (3136, 212669)]