131591684

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 274256640

約数和(自身を除く): 142664956

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 497, 518, 994, 1036, 1789, 1988, 2627, 3578, 5254, 7156, 10508, 12523, 18389, 25046, 36778, 50092, 66193, 73556, 127019, 132386, 254038, 264772, 463351, 508076, 889133, 926702, 1778266, 1853404, 3556532, 4699703, 9399406, 18798812, 32897921, 65795842, 131591684]

約数ペア:

[(1, 131591684), (2, 65795842), (4, 32897921), (7, 18798812), (14, 9399406), (28, 4699703), (37, 3556532), (71, 1853404), (74, 1778266), (142, 926702), (148, 889133), (259, 508076), (284, 463351), (497, 264772), (518, 254038), (994, 132386), (1036, 127019), (1789, 73556), (1988, 66193), (2627, 50092), (3578, 36778), (5254, 25046), (7156, 18389), (10508, 12523)]