28073804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 27446836

約数列:

[1, 2, 4, 11, 22, 44, 67, 89, 107, 134, 178, 214, 268, 356, 428, 737, 979, 1177, 1474, 1958, 2354, 2948, 3916, 4708, 5963, 7169, 9523, 11926, 14338, 19046, 23852, 28676, 38092, 65593, 78859, 104753, 131186, 157718, 209506, 262372, 315436, 419012, 638041, 1276082, 2552164, 7018451, 14036902, 28073804]

約数ペア:

[(1, 28073804), (2, 14036902), (4, 7018451), (11, 2552164), (22, 1276082), (44, 638041), (67, 419012), (89, 315436), (107, 262372), (134, 209506), (178, 157718), (214, 131186), (268, 104753), (356, 78859), (428, 65593), (737, 38092), (979, 28676), (1177, 23852), (1474, 19046), (1958, 14338), (2354, 11926), (2948, 9523), (3916, 7169), (4708, 5963)]