257534144

素因数分解:

$2^6\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2137}}^1$

素因数の和:2425

約数の個数: 56

約数和(自身を含む): 586496160

約数和(自身を除く): 328962016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 269, 448, 538, 1076, 1883, 2137, 2152, 3766, 4274, 4304, 7532, 8548, 8608, 14959, 15064, 17096, 17216, 29918, 30128, 34192, 59836, 60256, 68384, 119672, 120512, 136768, 239344, 478688, 574853, 957376, 1149706, 2299412, 4023971, 4598824, 8047942, 9197648, 16095884, 18395296, 32191768, 36790592, 64383536, 128767072, 257534144]

約数ペア:

[(1, 257534144), (2, 128767072), (4, 64383536), (7, 36790592), (8, 32191768), (14, 18395296), (16, 16095884), (28, 9197648), (32, 8047942), (56, 4598824), (64, 4023971), (112, 2299412), (224, 1149706), (269, 957376), (448, 574853), (538, 478688), (1076, 239344), (1883, 136768), (2137, 120512), (2152, 119672), (3766, 68384), (4274, 60256), (4304, 59836), (7532, 34192), (8548, 30128), (8608, 29918), (14959, 17216), (15064, 17096)]