138295864

素因数分解:

$2^3\times 7^1\times {\mathrm{997}}^1\times {\mathrm{2477}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 296765280

約数和(自身を除く): 158469416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 997, 1994, 2477, 3988, 4954, 6979, 7976, 9908, 13958, 17339, 19816, 27916, 34678, 55832, 69356, 138712, 2469569, 4939138, 9878276, 17286983, 19756552, 34573966, 69147932, 138295864]

約数ペア:

[(1, 138295864), (2, 69147932), (4, 34573966), (7, 19756552), (8, 17286983), (14, 9878276), (28, 4939138), (56, 2469569), (997, 138712), (1994, 69356), (2477, 55832), (3988, 34678), (4954, 27916), (6979, 19816), (7976, 17339), (9908, 13958)]