389780356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{605249}}^1$

素因数の和:605283

約数の個数: 24

約数和(自身を含む): 813456000

約数和(自身を除く): 423675644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 605249, 1210498, 2420996, 4236743, 8473486, 13920727, 16946972, 27841454, 55682908, 97445089, 194890178, 389780356]

約数ペア:

[(1, 389780356), (2, 194890178), (4, 97445089), (7, 55682908), (14, 27841454), (23, 16946972), (28, 13920727), (46, 8473486), (92, 4236743), (161, 2420996), (322, 1210498), (644, 605249)]