816448984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 1713680640

約数和(自身を除く): 897231656

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 157, 248, 314, 403, 628, 806, 1256, 1612, 1613, 2041, 3224, 3226, 4082, 4867, 6452, 8164, 9734, 12904, 16328, 19468, 20969, 38936, 41938, 50003, 63271, 83876, 100006, 126542, 167752, 200012, 253084, 253241, 400024, 506168, 506482, 650039, 1012964, 1300078, 2025928, 2600156, 3292133, 5200312, 6584266, 7850471, 13168532, 15700942, 26337064, 31401884, 62803768, 102056123, 204112246, 408224492, 816448984]

約数ペア:

[(1, 816448984), (2, 408224492), (4, 204112246), (8, 102056123), (13, 62803768), (26, 31401884), (31, 26337064), (52, 15700942), (62, 13168532), (104, 7850471), (124, 6584266), (157, 5200312), (248, 3292133), (314, 2600156), (403, 2025928), (628, 1300078), (806, 1012964), (1256, 650039), (1612, 506482), (1613, 506168), (2041, 400024), (3224, 253241), (3226, 253084), (4082, 200012), (4867, 167752), (6452, 126542), (8164, 100006), (9734, 83876), (12904, 63271), (16328, 50003), (19468, 41938), (20969, 38936)]