319061504

素因数分解:

$2^9\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 661136256

約数和(自身を除く): 342074752

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 71, 128, 131, 134, 142, 256, 262, 268, 284, 512, 524, 536, 568, 1048, 1072, 1136, 2096, 2144, 2272, 4192, 4288, 4544, 4757, 8384, 8576, 8777, 9088, 9301, 9514, 16768, 17152, 17554, 18176, 18602, 19028, 33536, 34304, 35108, 36352, 37204, 38056, 67072, 70216, 74408, 76112, 140432, 148816, 152224, 280864, 297632, 304448, 561728, 595264, 608896, 623167, 1123456, 1190528, 1217792, 1246334, 2246912, 2381056, 2435584, 2492668, 4493824, 4762112, 4985336, 9970672, 19941344, 39882688, 79765376, 159530752, 319061504]

約数ペア:

[(1, 319061504), (2, 159530752), (4, 79765376), (8, 39882688), (16, 19941344), (32, 9970672), (64, 4985336), (67, 4762112), (71, 4493824), (128, 2492668), (131, 2435584), (134, 2381056), (142, 2246912), (256, 1246334), (262, 1217792), (268, 1190528), (284, 1123456), (512, 623167), (524, 608896), (536, 595264), (568, 561728), (1048, 304448), (1072, 297632), (1136, 280864), (2096, 152224), (2144, 148816), (2272, 140432), (4192, 76112), (4288, 74408), (4544, 70216), (4757, 67072), (8384, 38056), (8576, 37204), (8777, 36352), (9088, 35108), (9301, 34304), (9514, 33536), (16768, 19028), (17152, 18602), (17554, 18176)]