491128064

素因数分解:

$2^8\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1229}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 1126325760

約数和(自身を除く): 635197696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 223, 224, 256, 446, 448, 892, 896, 1229, 1561, 1784, 1792, 2458, 3122, 3568, 4916, 6244, 7136, 8603, 9832, 12488, 14272, 17206, 19664, 24976, 28544, 34412, 39328, 49952, 57088, 68824, 78656, 99904, 137648, 157312, 199808, 274067, 275296, 314624, 399616, 548134, 550592, 1096268, 1101184, 1918469, 2192536, 2202368, 3836938, 4385072, 7673876, 8770144, 15347752, 17540288, 30695504, 35080576, 61391008, 70161152, 122782016, 245564032, 491128064]

約数ペア:

[(1, 491128064), (2, 245564032), (4, 122782016), (7, 70161152), (8, 61391008), (14, 35080576), (16, 30695504), (28, 17540288), (32, 15347752), (56, 8770144), (64, 7673876), (112, 4385072), (128, 3836938), (223, 2202368), (224, 2192536), (256, 1918469), (446, 1101184), (448, 1096268), (892, 550592), (896, 548134), (1229, 399616), (1561, 314624), (1784, 275296), (1792, 274067), (2458, 199808), (3122, 157312), (3568, 137648), (4916, 99904), (6244, 78656), (7136, 68824), (8603, 57088), (9832, 49952), (12488, 39328), (14272, 34412), (17206, 28544), (19664, 24976)]