168957985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{641}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 246281472

約数和(自身を除く): 77323487

約数列:

[1, 5, 7, 17, 35, 85, 119, 443, 595, 641, 2215, 3101, 3205, 4487, 7531, 10897, 15505, 22435, 37655, 52717, 54485, 76279, 263585, 283963, 381395, 1419815, 1987741, 4827371, 9938705, 24136855, 33791597, 168957985]

約数ペア:

[(1, 168957985), (5, 33791597), (7, 24136855), (17, 9938705), (35, 4827371), (85, 1987741), (119, 1419815), (443, 381395), (595, 283963), (641, 263585), (2215, 76279), (3101, 54485), (3205, 52717), (4487, 37655), (7531, 22435), (10897, 15505)]