256526144

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30137}}^1$

素因数の和:30175

約数の個数: 56

約数和(自身を含む): 612404160

約数和(自身を除く): 355878016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 4256, 8512, 30137, 60274, 120548, 210959, 241096, 421918, 482192, 572603, 843836, 964384, 1145206, 1687672, 1928768, 2290412, 3375344, 4008221, 4580824, 6750688, 8016442, 9161648, 13501376, 16032884, 18323296, 32065768, 36646592, 64131536, 128263072, 256526144]

約数ペア:

[(1, 256526144), (2, 128263072), (4, 64131536), (7, 36646592), (8, 32065768), (14, 18323296), (16, 16032884), (19, 13501376), (28, 9161648), (32, 8016442), (38, 6750688), (56, 4580824), (64, 4008221), (76, 3375344), (112, 2290412), (133, 1928768), (152, 1687672), (224, 1145206), (266, 964384), (304, 843836), (448, 572603), (532, 482192), (608, 421918), (1064, 241096), (1216, 210959), (2128, 120548), (4256, 60274), (8512, 30137)]