12565072016

素因数分解:

$2^4\times 7^1\times {\mathrm{1783}}^1\times {\mathrm{62921}}^1$

素因数の和:64719

約数の個数: 40

約数和(自身を含む): 27838706304

約数和(自身を除く): 15273634288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1783, 3566, 7132, 12481, 14264, 24962, 28528, 49924, 62921, 99848, 125842, 199696, 251684, 440447, 503368, 880894, 1006736, 1761788, 3523576, 7047152, 112188143, 224376286, 448752572, 785317001, 897505144, 1570634002, 1795010288, 3141268004, 6282536008, 12565072016]

約数ペア:

[(1, 12565072016), (2, 6282536008), (4, 3141268004), (7, 1795010288), (8, 1570634002), (14, 897505144), (16, 785317001), (28, 448752572), (56, 224376286), (112, 112188143), (1783, 7047152), (3566, 3523576), (7132, 1761788), (12481, 1006736), (14264, 880894), (24962, 503368), (28528, 440447), (49924, 251684), (62921, 199696), (99848, 125842)]