278077312

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 589050000

約数和(自身を除く): 310972688

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 152, 218, 304, 436, 608, 872, 1049, 1216, 1744, 2071, 2098, 2432, 3488, 4142, 4196, 6976, 8284, 8392, 13952, 16568, 16784, 19931, 33136, 33568, 39862, 66272, 67136, 79724, 114341, 132544, 134272, 159448, 228682, 265088, 318896, 457364, 637792, 914728, 1275584, 1829456, 2172479, 2551168, 3658912, 4344958, 7317824, 8689916, 14635648, 17379832, 34759664, 69519328, 139038656, 278077312]

約数ペア:

[(1, 278077312), (2, 139038656), (4, 69519328), (8, 34759664), (16, 17379832), (19, 14635648), (32, 8689916), (38, 7317824), (64, 4344958), (76, 3658912), (109, 2551168), (128, 2172479), (152, 1829456), (218, 1275584), (304, 914728), (436, 637792), (608, 457364), (872, 318896), (1049, 265088), (1216, 228682), (1744, 159448), (2071, 134272), (2098, 132544), (2432, 114341), (3488, 79724), (4142, 67136), (4196, 66272), (6976, 39862), (8284, 33568), (8392, 33136), (13952, 19931), (16568, 16784)]