256332648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3983

約数の個数: 128

約数和(自身を含む): 792691200

約数和(自身を除く): 536358552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 88, 104, 114, 132, 143, 152, 156, 209, 228, 247, 264, 286, 312, 418, 429, 456, 494, 572, 627, 741, 836, 858, 988, 1144, 1254, 1482, 1672, 1716, 1976, 2508, 2717, 2964, 3432, 3931, 5016, 5434, 5928, 7862, 8151, 10868, 11793, 15724, 16302, 21736, 23586, 31448, 32604, 43241, 47172, 51103, 65208, 74689, 86482, 94344, 102206, 129723, 149378, 153309, 172964, 204412, 224067, 259446, 298756, 306618, 345928, 408824, 448134, 518892, 562133, 597512, 613236, 821579, 896268, 970957, 1037784, 1124266, 1226472, 1643158, 1686399, 1792536, 1941914, 2248532, 2464737, 2912871, 3286316, 3372798, 3883828, 4497064, 4929474, 5825742, 6572632, 6745596, 7767656, 9858948, 10680527, 11651484, 13491192, 19717896, 21361054, 23302968, 32041581, 42722108, 64083162, 85444216, 128166324, 256332648]

約数ペア:

[(1, 256332648), (2, 128166324), (3, 85444216), (4, 64083162), (6, 42722108), (8, 32041581), (11, 23302968), (12, 21361054), (13, 19717896), (19, 13491192), (22, 11651484), (24, 10680527), (26, 9858948), (33, 7767656), (38, 6745596), (39, 6572632), (44, 5825742), (52, 4929474), (57, 4497064), (66, 3883828), (76, 3372798), (78, 3286316), (88, 2912871), (104, 2464737), (114, 2248532), (132, 1941914), (143, 1792536), (152, 1686399), (156, 1643158), (209, 1226472), (228, 1124266), (247, 1037784), (264, 970957), (286, 896268), (312, 821579), (418, 613236), (429, 597512), (456, 562133), (494, 518892), (572, 448134), (627, 408824), (741, 345928), (836, 306618), (858, 298756), (988, 259446), (1144, 224067), (1254, 204412), (1482, 172964), (1672, 153309), (1716, 149378), (1976, 129723), (2508, 102206), (2717, 94344), (2964, 86482), (3432, 74689), (3931, 65208), (5016, 51103), (5434, 47172), (5928, 43241), (7862, 32604), (8151, 31448), (10868, 23586), (11793, 21736), (15724, 16302)]