289202008

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{1931}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 550967760

約数和(自身を除く): 261765752

約数列:

[1, 2, 4, 8, 97, 193, 194, 386, 388, 772, 776, 1544, 1931, 3862, 7724, 15448, 18721, 37442, 74884, 149768, 187307, 372683, 374614, 745366, 749228, 1490732, 1498456, 2981464, 36150251, 72300502, 144601004, 289202008]

約数ペア:

[(1, 289202008), (2, 144601004), (4, 72300502), (8, 36150251), (97, 2981464), (193, 1498456), (194, 1490732), (386, 749228), (388, 745366), (772, 374614), (776, 372683), (1544, 187307), (1931, 149768), (3862, 74884), (7724, 37442), (15448, 18721)]