256264476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2859

約数の個数: 96

約数和(自身を含む): 699955200

約数和(自身を除く): 443690724

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 156, 186, 228, 247, 372, 403, 494, 589, 741, 806, 988, 1178, 1209, 1482, 1612, 1767, 2356, 2418, 2789, 2964, 3534, 4836, 5578, 7068, 7657, 8367, 11156, 15314, 16734, 22971, 30628, 33468, 36257, 45942, 52991, 72514, 86459, 91884, 105982, 108771, 145028, 158973, 172918, 211964, 217542, 259377, 317946, 345836, 435084, 518754, 635892, 688883, 1037508, 1123967, 1377766, 1642721, 2066649, 2247934, 2755532, 3285442, 3371901, 4133298, 4495868, 4928163, 6570884, 6743802, 8266596, 9856326, 13487604, 19712652, 21355373, 42710746, 64066119, 85421492, 128132238, 256264476]

約数ペア:

[(1, 256264476), (2, 128132238), (3, 85421492), (4, 64066119), (6, 42710746), (12, 21355373), (13, 19712652), (19, 13487604), (26, 9856326), (31, 8266596), (38, 6743802), (39, 6570884), (52, 4928163), (57, 4495868), (62, 4133298), (76, 3371901), (78, 3285442), (93, 2755532), (114, 2247934), (124, 2066649), (156, 1642721), (186, 1377766), (228, 1123967), (247, 1037508), (372, 688883), (403, 635892), (494, 518754), (589, 435084), (741, 345836), (806, 317946), (988, 259377), (1178, 217542), (1209, 211964), (1482, 172918), (1612, 158973), (1767, 145028), (2356, 108771), (2418, 105982), (2789, 91884), (2964, 86459), (3534, 72514), (4836, 52991), (5578, 45942), (7068, 36257), (7657, 33468), (8367, 30628), (11156, 22971), (15314, 16734)]