71181208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 159160320

約数和(自身を除く): 87979112

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 131, 217, 248, 262, 313, 434, 524, 626, 868, 917, 1048, 1252, 1736, 1834, 2191, 2504, 3668, 4061, 4382, 7336, 8122, 8764, 9703, 16244, 17528, 19406, 28427, 32488, 38812, 41003, 56854, 67921, 77624, 82006, 113708, 135842, 164012, 227416, 271684, 287021, 328024, 543368, 574042, 1148084, 1271093, 2296168, 2542186, 5084372, 8897651, 10168744, 17795302, 35590604, 71181208]

約数ペア:

[(1, 71181208), (2, 35590604), (4, 17795302), (7, 10168744), (8, 8897651), (14, 5084372), (28, 2542186), (31, 2296168), (56, 1271093), (62, 1148084), (124, 574042), (131, 543368), (217, 328024), (248, 287021), (262, 271684), (313, 227416), (434, 164012), (524, 135842), (626, 113708), (868, 82006), (917, 77624), (1048, 67921), (1252, 56854), (1736, 41003), (1834, 38812), (2191, 32488), (2504, 28427), (3668, 19406), (4061, 17528), (4382, 16244), (7336, 9703), (8122, 8764)]