1278082204

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1\times {\mathrm{607}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 2583562240

約数和(自身を除く): 1305480036

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 541, 556, 607, 973, 1082, 1214, 1946, 2164, 2428, 3787, 3892, 4249, 7574, 8498, 15148, 16996, 75199, 84373, 150398, 168746, 300796, 328387, 337492, 526393, 590611, 656774, 1052786, 1181222, 1313548, 2105572, 2298709, 2362444, 4597418, 9194836, 45645793, 91291586, 182583172, 319520551, 639041102, 1278082204]

約数ペア:

[(1, 1278082204), (2, 639041102), (4, 319520551), (7, 182583172), (14, 91291586), (28, 45645793), (139, 9194836), (278, 4597418), (541, 2362444), (556, 2298709), (607, 2105572), (973, 1313548), (1082, 1181222), (1214, 1052786), (1946, 656774), (2164, 590611), (2428, 526393), (3787, 337492), (3892, 328387), (4249, 300796), (7574, 168746), (8498, 150398), (15148, 84373), (16996, 75199)]