16870385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 25436160

約数和(自身を除く): 8565775

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 1103, 2185, 3059, 5515, 7721, 15295, 20957, 25369, 38605, 104785, 126845, 146699, 177583, 482011, 733495, 887915, 2410055, 3374077, 16870385]

約数ペア:

[(1, 16870385), (5, 3374077), (7, 2410055), (19, 887915), (23, 733495), (35, 482011), (95, 177583), (115, 146699), (133, 126845), (161, 104785), (437, 38605), (665, 25369), (805, 20957), (1103, 15295), (2185, 7721), (3059, 5515)]