256216492

素因数分解:

$2^2\times 7^2\times {\mathrm{433}}^1\times {\mathrm{3019}}^1$

素因数の和:3470

約数の個数: 36

約数和(自身を含む): 522961320

約数和(自身を除く): 266744828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 433, 866, 1732, 3019, 3031, 6038, 6062, 12076, 12124, 21133, 21217, 42266, 42434, 84532, 84868, 147931, 295862, 591724, 1307227, 2614454, 5228908, 9150589, 18301178, 36602356, 64054123, 128108246, 256216492]

約数ペア:

[(1, 256216492), (2, 128108246), (4, 64054123), (7, 36602356), (14, 18301178), (28, 9150589), (49, 5228908), (98, 2614454), (196, 1307227), (433, 591724), (866, 295862), (1732, 147931), (3019, 84868), (3031, 84532), (6038, 42434), (6062, 42266), (12076, 21217), (12124, 21133)]