15418928

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:370

約数の個数: 60

約数和(自身を含む): 35368272

約数和(自身を除く): 19949344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 277, 284, 392, 497, 554, 568, 784, 994, 1108, 1136, 1939, 1988, 2216, 3479, 3878, 3976, 4432, 6958, 7756, 7952, 13573, 13916, 15512, 19667, 27146, 27832, 31024, 39334, 54292, 55664, 78668, 108584, 137669, 157336, 217168, 275338, 314672, 550676, 963683, 1101352, 1927366, 2202704, 3854732, 7709464, 15418928]

約数ペア:

[(1, 15418928), (2, 7709464), (4, 3854732), (7, 2202704), (8, 1927366), (14, 1101352), (16, 963683), (28, 550676), (49, 314672), (56, 275338), (71, 217168), (98, 157336), (112, 137669), (142, 108584), (196, 78668), (277, 55664), (284, 54292), (392, 39334), (497, 31024), (554, 27832), (568, 27146), (784, 19667), (994, 15512), (1108, 13916), (1136, 13573), (1939, 7952), (1988, 7756), (2216, 6958), (3479, 4432), (3878, 3976)]