221674985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 334129536

約数和(自身を除く): 112454551

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 443, 493, 595, 841, 1015, 2215, 2465, 3101, 3451, 4205, 5887, 7531, 12847, 14297, 15505, 17255, 29435, 37655, 52717, 64235, 71485, 89929, 100079, 218399, 263585, 372563, 449645, 500395, 1091995, 1528793, 1862815, 2607941, 6333571, 7643965, 13039705, 31667855, 44334997, 221674985]

約数ペア:

[(1, 221674985), (5, 44334997), (7, 31667855), (17, 13039705), (29, 7643965), (35, 6333571), (85, 2607941), (119, 1862815), (145, 1528793), (203, 1091995), (443, 500395), (493, 449645), (595, 372563), (841, 263585), (1015, 218399), (2215, 100079), (2465, 89929), (3101, 71485), (3451, 64235), (4205, 52717), (5887, 37655), (7531, 29435), (12847, 17255), (14297, 15505)]