1231900516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{15809}}^1$

素因数の和:15865

約数の個数: 72

約数和(自身を含む): 2826069120

約数和(自身を除く): 1594168604

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 308, 322, 484, 506, 644, 847, 1012, 1694, 1771, 2783, 3388, 3542, 5566, 7084, 11132, 15809, 19481, 31618, 38962, 63236, 77924, 110663, 173899, 221326, 347798, 363607, 442652, 695596, 727214, 1217293, 1454428, 1912889, 2434586, 2545249, 3825778, 3999677, 4869172, 5090498, 7651556, 7999354, 10180996, 13390223, 15998708, 26780446, 27997739, 43996447, 53560892, 55995478, 87992894, 111990956, 175985788, 307975129, 615950258, 1231900516]

約数ペア:

[(1, 1231900516), (2, 615950258), (4, 307975129), (7, 175985788), (11, 111990956), (14, 87992894), (22, 55995478), (23, 53560892), (28, 43996447), (44, 27997739), (46, 26780446), (77, 15998708), (92, 13390223), (121, 10180996), (154, 7999354), (161, 7651556), (242, 5090498), (253, 4869172), (308, 3999677), (322, 3825778), (484, 2545249), (506, 2434586), (644, 1912889), (847, 1454428), (1012, 1217293), (1694, 727214), (1771, 695596), (2783, 442652), (3388, 363607), (3542, 347798), (5566, 221326), (7084, 173899), (11132, 110663), (15809, 77924), (19481, 63236), (31618, 38962)]