128301904

素因数分解:

$2^4\times {\mathrm{1289}}^1\times {\mathrm{6221}}^1$

素因数の和:7518

約数の個数: 20

約数和(自身を含む): 248817780

約数和(自身を除く): 120515876

約数列:

[1, 2, 4, 8, 16, 1289, 2578, 5156, 6221, 10312, 12442, 20624, 24884, 49768, 99536, 8018869, 16037738, 32075476, 64150952, 128301904]

約数ペア:

[(1, 128301904), (2, 64150952), (4, 32075476), (8, 16037738), (16, 8018869), (1289, 99536), (2578, 49768), (5156, 24884), (6221, 20624), (10312, 12442)]