205993543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 256204800

約数和(自身を除く): 50211257

約数列:

[1, 7, 23, 31, 149, 161, 217, 277, 713, 1043, 1939, 3427, 4619, 4991, 6371, 8587, 23989, 32333, 41273, 44597, 60109, 106237, 197501, 288911, 743659, 949279, 1279463, 1382507, 6644953, 8956241, 29427649, 205993543]

約数ペア:

[(1, 205993543), (7, 29427649), (23, 8956241), (31, 6644953), (149, 1382507), (161, 1279463), (217, 949279), (277, 743659), (713, 288911), (1043, 197501), (1939, 106237), (3427, 60109), (4619, 44597), (4991, 41273), (6371, 32333), (8587, 23989)]