28577892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 76470912

約数和(自身を除く): 47893020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 521, 653, 1042, 1306, 1563, 1959, 2084, 2612, 3126, 3647, 3918, 4571, 6252, 7294, 7836, 9142, 10941, 13713, 14588, 18284, 21882, 27426, 43764, 54852, 340213, 680426, 1020639, 1360852, 2041278, 2381491, 4082556, 4762982, 7144473, 9525964, 14288946, 28577892]

約数ペア:

[(1, 28577892), (2, 14288946), (3, 9525964), (4, 7144473), (6, 4762982), (7, 4082556), (12, 2381491), (14, 2041278), (21, 1360852), (28, 1020639), (42, 680426), (84, 340213), (521, 54852), (653, 43764), (1042, 27426), (1306, 21882), (1563, 18284), (1959, 14588), (2084, 13713), (2612, 10941), (3126, 9142), (3647, 7836), (3918, 7294), (4571, 6252)]